Note: The answer is for reference only, you need to understand all question.
QUESTION 1
You deploy an Office Communications Server (OCS) 2007 R2 Standard Edition server on the network. All employees in the company use Microsoft office communicator 2007 R2 and Microsoft Office Live Meeting 2007. Live Meeting users report that slide animations in Microsoft Office PowerPoint 2007 presentations do not display when they upload the presentation files. You need to ensure that slide animations display correctly. What should you do?
A. Request that the users install the Conferencing Add-in for Microsoft Office Outlook.
B. Request the users to save the presentation files in the Microsoft Office PowerPoint 97-2003 format.
C. From the Meeting policy for the Live Meeting users, select the Enable program and desktop sharing check box.
D. From the Meeting policy for the Live Meeting users, select the Use native format for PowerPoint files check box.

Answer: D
Question 2
You have an office communication server 2007 R2 infrastructure that contains an Edge Server named Edge1.Contoso.local. The subject name in the Access Edge server role certificate is Sip.Contoso.com. All users run Microsoft office Communication 2007 R2 to connect to the OCS servers. Some users are configured as remote users. You plan to deploy 10 additional remote users by using office communication manual configurations. You need to identify the external server name that must be set in office Communicator on the client computers of the remote users. Which name should you identify?
A. Edge1.Contoso.com:5061
B. Edge1.Contoso.local:443
C. Sip.Contoso.com:443
D. Sip.Contoso.com:5062
Answer: C
Question 3

Your company has an office communication server (OCS) 2007 R2 infrastructure. You need to create a response Group work-flow for the help-desk users. Your solution must ensure that each user can sign in and sign out. Which two actions should you perform?
A. Create and configure a route.
B. Create and configure a custom tab for the office communication client.
C. From the properties of the Response Group group, set the agent participation policy to formal.
D. From the properties of the response Group group, set the agent participation policy to informal.

Answer: BC
Question 4
Your company has office communication Server 2007 R2 deployed and configured to accept voice calls from a PBX. You need to provide a user with the ability to receive calls from the PSTN by using Microsoft office communication 2007 R2.
A. From the user��s other options, Select the Enable remote user access, and then select the enable federation check boxes.
B. From the user��s telephony options, select the Enable Remote call control check box, and then enter SIP address in the server URI box.
C. From the users Telephony Options, select the enable remote call control check box, and enter the user��s telephone number in the Line URI box.
D. From the user��s telephony options, select the Enable Enterprise voice check box, and then enter the user��s telephone number in the URI.

Answer: D
Question 5
You have an office Communication server (OCS) 2007 R2 infrastructure, all users run Microsoft office communicator 2007 R2. A user named user2 is configured as a delegate for a user name user1. You need to ensure that user2 can initiate and receive calls on behalf of user1. What should you do?
A. Configure User1 as a delegate of user2.
B. Modify the access level for user1 on the computer of user2.
C. Install the Microsoft Office Live Meeting client on the computer of user2

D. Install the OCS 2007 R2 Attendant console on the computer of user2.

Answer: D
Question 6
You have an office communication Server (OCS) 2007 R2 infrastructure that connects to the PSTN. You plan to deploy dial-in conferencing. You need to ensure that users can dial in the audio conferences hosted on your OCS servers. What should you do?
A. Modify the default meeting policy, and then add an access phone number.
B. Modify the default meeting policy, and then deploy the Microsoft Outlook Conferencing Add-in.
C. Create a location profile, and then deploy the Microsoft Outlook Conferencing Add-in.
D. Create an enterprise voice policy, and then add an access phone number.

Answer: A
Question 7
Your company has an office communication server (OCS) 2007 R2 infrastructure. A user named user1 reports that she is unable to receive calls from coworkers that are hosted on the PBX. The telephony options settings for User1 are configured as shown below:


You need to ensure that user1 can receive calls from other users that run office communicator 2007 R2 or from the PSTN. What should you do?
A. Modify the value in the line URI text box.
B. Select the Enable Remote call control option.
C. Change the policy option to company internal.
D. Select the Enable PBX integration check box, and then specify a server URI.

Answer: A
Question 8
You deploy an Office Communications Server (OCS) 2007 R2 Standard Edition server on the network. You need to identify the default audio codec used for audio/video conferencing by using Microsoft Office Communicator 2007 R2.

Which audio codec should you identify?
A. G.711
B. G.729
C. Real-time Audio (RTA)
D. Siren

Answer: D
Question 9
Your company has office communication server (OCS) 2007 R2 deployed. You create a new user account named Admin1. You add Admin1 to the built in domain Admins group. You log on to the OCS server as Admin1. You run the Response Group Configuration Tool and see the screen below

A. Add Admin1 to the RTCUniversalUserAdmins security group.
B. Add Admin1 to the RTCUniversalServerAdmins security group.
C. Restart the OCS Application Host Service on a Front End Server.

D. Restart the OCS Response Group Service on a Front End Server.

Answer: B
Question 10
You have an office Communication server (OCS) 2007 R2 infrastructure. All Edge servers use certificates from an internal route certification authority (CA). You deploy devices that run Microsoft office Communicator 2007 R2 Phone Edition on the Network. Users report that they are unable to use their devices from home. You verify that all user accounts are enabled for remote access. You need to ensure that the users can use the device from home. What should you do?
A. Configure the Edge Servers to be a member of an active Directory domain.
B. Configure the Edge Servers to use certificates from a public trusted CA.
C. From the Edge Servers, export the certificate to a PKCS #7 file. Instruct the user to install the certificate.
D. From the internal root CA, export the certificate chain to a PKCS #7 file. Instruct the users to install the certificate chain.

Answer: B
Question 11
You plan to deploy an office communication Servers (OCS) 2007 R2 infrastructure that contains a standard Edition Server and a mediation server. You need to recommend a solution for the planned deployment that meets the following requirements:
-Allows users to dial 11-digit numbers that use the country code 1. -For all 11-digit numbers, automatically replaces the prefix 9 with a + sign.
Which solution should you recommend?
A. -Create a normalization rule that matches the number pattern ^9(1\d{10})$ with a transaction of +$1 -Assign the location profile containing this rule to all users.
B. -Create a normalization rule that matches the number pattern ^(91\d{10})$ with a transaction of +$1 -Assign the location profile containing this rule to all users.
C. -Create a normalization rule that matches the number pattern ^9(1\d{10})$ with a transaction of +$1 -Assign the location profile containing this rule to the mediation server

D. -Create a normalization rule that matches the number pattern ^(91\d{10})$ with a transaction of +$1 -Assign the location profile containing this rule to the mediation server

Answer: A
Question 12
Your company has a single office. You plan to deploy an office communications server (OCS) 2007 R2 infrastructure. You need to recommend an infrastructure to meet the following requirements:
-Store the OCS SQL database on a seperate server -Support load balancing -Minimize software and hardware costs.
What should you include in your recommendations?
A. Two Enterprise Edition Front End Servers and single pool
B. Two Enterprise Edition Front End Servers and two pools
C. Two standard Edition Front End Servers and two pools
D. Two standard Edition Front End Servers and a single pool

Answer: A
Question 13
You plan to deploy an office Communication Servers (OCS) 2007 R2 web conferencing solution that contains the following components:
-two front end servers in a single pool -two Microsoft sql server 2005 servers in a failover cluster -one mediation server -one media gateway -one hardware load balancer -one PBX
You need to recommend changes to the existing solution to meet the following requirements:
-Provide Web conferencing access for all company users. -Provide Web conferencing access for federated users -Provide access to Web Conferencing if any single server fails

What should you include in your recommendations?
A. An additional mediation server and an additional media gateway
B. Two communicator web Access servers and two hardware load balancers
C. Two Edge Servers and two hardware load balancers
D. Two front end Servers in a new pool

Answer: C
Question 14
You have deployed an office communication Server (OCS) 2007 R2 Front End Server. You plan to deploy a conferencing solution that meets the following requirements:
-Supports audio/video conferencing for internal users and remote users. -Allows internal users to share their slide content with remote users.
Which additional server or server roles should you include in the plan?
A. -Communicator Web access -Mediation server
B. -Edge Server -Mediation server
C. -Communication web access -Microsoft internet security and acceleration (ISA) Servers configured as a reverse proxy
D. -Edge Server -Microsoft internet security and acceleration (ISA) Servers configured as a reverse proxy

Answer: D
Question 15
Your company has an office Communications Server (OCS) 2007 R2 infrastructure. Your company purchased another company named Litware, Inc. Litware has an OCS 2007 infrastructure. All users in both companies run Microsoft office communicator 2007. You plan to configure a federation between the two companies. You need to recommend changes to the firewall in both companies to ensure in your company can initiate federated office communicator calls to users in Litware. Which TCP/IP ports should you allow on the firewalls from both companies?
A. UDP 389 TCP 88 TCP 443

B. UDP 3268
UDP 60000-64000 TCP 60000-64000
C. UDP 3478 UDP 50000-59999 TCP 50000-59999
D. UDP 49152-65535 TCP 53 TCP 49152-65535

Answer: C
Question 16
You need to identify the office communications Servers (OCS) 2007 R2 server roles that can be load-balanced using a hardware load balancer. Which two roles should identify? (Choose Two)
A. Mediation Server
B. Edge Server
C. Front End Server
D. Archiving Server
E. Monitoring Server

Answer: BC
Question 17
Your company has two offices, one office is located in New York and the other is located in Paris. The New York office has 500 users, the Paris office has 100 users. The offices connect to each other by using WAN link. Each office connects to internet by using a DSL data connection. The New York office connects to the PSTN by using a T1 audio connection, the Paris Office does not have local connection to the PSTN. You currently use an external audio Conferencing Provider (ACP) for dial in-audio conferences. All external users access audio conferences from their PSTN phones. All internal users access conferences from their internal phones. You plan to deploy office communication Server (OCS) 2007 R2 to host on-premise audio conferences. You need to recommend changes to your network to support on-premise Dial-in-audio conferencing for conferences that have 60 concurrent external callers and 20 concurrent internal callers. What should you add to the network?
A. one El audio connection to the PSTN in the Paris office

B. one El audio connection to the PSTN in the Paris office
C. two additional DSL data connections in the Pans office
D. two T1 audio connections to the PSTN in the New York office

Answer: D
Question 18
Your company has a main office and a branch office. The main office connects to the PSTN. The branch office connects directly to the internet.The offices connect to each other by using a WAN link. You deploy an office communication Server (OCS) 2007 R2 Front End Server in each office. You need to ensure that all voice calls from users in the branch office are sent through the local connection to the Internet. What should you deploy in the branch office?
A. a Director server and a direct SIP connection
B. a Director server and SIP trunking
C. a Mediation Server and an Edge Server
D. a Mediation Server and SIP trunking

Answer: D
Question 19
You have an Office Communications Server (OCS) 2007 R2 infrastructure that contains a single pool, one Front End Server, and one Mediation Server. You deploy two media gateways. You need to ensure that users can make outbound calls if a media gateway fails. Which additional OCS server should you deploy?
A. a Director server
B. a Front End Server
C. a Mediation Server
D. a Monitoring Server

Answer: C
Question 20
Your company has a single office and 500 employees. You have an Office Communications Server (OCS) 2007 R2 infrastructure that contains a Front End Server, an Edge Server, and a Mediation Server.

Recently, you migrated the Web conferencing solution from hosted Live Meeting to on-premise. Users report a lag during Web conferences. You need to recommend changes to the OCS Edge infrastructure to improve the performance of the Web conferences. Which server should you recommend deploying?
A. a Communicator Web Access server
B. a dedicated Web conferencing Edge Server
C. a second Mediation Server
D. an additional Edge Server

Answer: D
Question 21
You deploy a Microsoft Office Communications Server (OCS) 2007 R2 Standard Edition server on the company network. The format of the SIP addresses for users is [email protected]. You need to create SRV records to ensure that users can sign in automatically when they are working on the network and when they are working from home. Which two SRV records should you create? (Choose two)
A. _sip._tcp.contoso.com in the internal DNS zone
B. _sip._tls.contoso.com in the external DNS zone
C. _sipexternaltls._tcp.contoso.com in the external DNS zone
D. _sipinternaltls._tcp.contoso.com in the internal DNS zone

Answer: BD
Question 22
Your company has two offices named office 1 and office 2. Office 1 is located in New York. Office 2 is located in Los Angeles.The offices connect to each other by using a WAN link. You have an office communication server (OCS) 2007 R2 infrastructure. Each office contains the following components:
-A pool -A front end server -A back end Microsoft sql2005 server -A mediation server -A media gateway
You need to recommend changes to the OCS infrastructure to meet the following requirements:

-Calls to area codes in New York are sent to the PSTN from office1.
-Calls to area codes in Los Angeles are sent to PSTN from office2.
What should you recommend?
A. A federation
B. Two edge servers
C. Two location profiles
D. Two routes

Answer: D
Question 23
Your network contains an internal certification authority (CA). You deploy an office Communication Server (OCS) 2007 R2 infrastructure. You plan to deploy web conferencing and audio/video conferencing for Microsoft office communication users. The users will connect to the internal network and will also connect to the network remotely. Some remote users will connect from computers that are members of a workgroup. You need to deploy certificates to support the planned deployment. Your solution must minimize support costs for remote users. What should you do?
A. Deploy a certificate from the internal CA for all Edge server roles.
B. Deploy a publicly trusted wildcard certificate for all Edge server roles.
C. Deploy certificates from the internal CA for the Access Edge and Web Conferencing Edge server roles.Deploy a publicy trusted certificate for the A/V Authentication and the Edge Internal server roles.
D. Deploy a publicly trusted certificate for the Access Edge and Web Conferencing Edge server roles.Deploy a certificate from the internal CA for the A/V Authentication and the Edge Internal server roles.

Answer: D
Question 24
You company has two main offices named Main 1 and Main 2. Main 1 is located in France. Main 2 is located in China. You need to design a voice solution that meets the following requirements:
-Users from each office must be able to call users in their office -External users in China that receive calls from users in Main1 must see Main2��s central telephone number displayed -External users in France that receive calls from users in Main2 must see Main1��s central telephone number

displayed.
What should you include in the design?
A. A normalization rule for each office. Each rule modifies the number of the called party.
B. A single normalization rule that modifies the number of the called party.
C. A media gateway in each office that performs digit manipulation on the automatic number identification (ANI).
D. A media gateway in each office that perform digit manipulation on the dialed number information service (DNIS).

Answer: A
Question 25
You have an office communication server (OCS) 2007 R2 infrastructure. All users run Microsoft office Communication 2007 R2. You need to ensure that only users that are enabled for OCS appear in address book searches. What should you do?
A. From the OCS console, clear the Enable users to view presence information for non contacts check box.
B. From the OCS console, clear the enable address book query check box.
C. From the ABS configuration tool, select the only include users that have a value for this AD attribute option, and then type msRTCSIP-UserEnabled.
D. From the ABS configuration tool, select the Exclude all users who have a value for this AD attribute option, and then type msRTCSIP-UserDisabled.

Answer: C
Question 26
You have an office communication server (OCS) 2007 R2 infrastructure. The network is configured as shown in following table:

All databases for OCS are deployed in the same SQL instance named OCSdb1. You need to review the monitoring server reports for OCS. What should you do?

A. Form Internet Explorer, connect to https://server1/reportserver_ocsdb1
B. Form Internet Explorer, connect to https://server2/reportserver_ocsdb1.
C. From OCS Management Console on server1, open the Performance tab
D. From OCS Management Console on server2, open the Performance tab.

Answer: D
Question 27
You have an office communication server (OCS) 2007 R2 infrastructure. You need to analyze the traffic between mediation server and media gateway.The traffic to be analyzed is in real time. What should you do?
A. Microsoft Network Monitor
B. Call Diagnostic Tool
C. Enterpriser
D. WAP Text

Answer: A
Question 28
You have an office communication server (OCS) 2007 R2 infrastructure. An administrator reports that the normalization rules contain incorrect regular expressions. You need to identify the errors on the regular expressions. What should you use?
A. Deployment validation tool
B. Enterprise voice route Helper
C. Office communication server (OCS) 2007 Best Practice Analyzer
D. Validation wizard

Answer: B
Question 29
You have an office communication server (OCS) 2007 R2 infrastructure. You need to deploy a solution to centrally test the quality of audio calls. What tool should you use?

A. Deployment validation tool
B. Microsoft Network Monitor
C. Pre Call Diagnostic Tool
D. VoIP Test Set

Answer: A
Question 30
You have an office Communication Server (OCS) 2007 R2 infrastructure. All users run Microsoft office Communication 2007 R2. You change the phone numbers for a large number of users on the network by using active directory users and computers. You force the synchronization of the address book in OCS. You need to ensure that the phone numbers are visible from office communication as soon as possible. What should you do on the client computers?
A. From the component prompt, run ipconfig/flushdns.
B. From Microsoft office Outlook, force a download of office address book
C. From windows explorer, delete the call Calcontacts.db file, and then restart Office Communicator.
D. From office communicator, remove the contents from the list, and then add the contents to the list.

Answer: C
Question 31
You have an Office Communication server (OCS) 2007 R2 infrastructure. You deploy the Microsoft Office Live Meeting 2007 client on an internal computer. Users report that when they try to use the white board they receive the following error message: ��content failed to download due a problem with the conference centre configuration" Contact you administrator��. You need to ensure that users can use the white board. What should you do?
A. From the OCS 2007 R2 Management Console, modify the policy settings on the Meetings tab.
B. From the OCS 2007 R2 Management Console, modify the anonymous participants settings on the Meetings tab.
C. From the Internet Information Services (IIS) Manager on the Front End Servers, remove the bindings for https.
D. From the Internet Information Services (IIS) Manager on the Front End Servers, select the certificate used by the OCS server.


Answer: D
Question 32
Your company has three offices named Office1, Office2, and Office3. An Office Communications Servers (OCS) 2007 R2 Standard Edition server is deployed in each office. The users in each office have their local server defined as their home server. Users in Office3 use a large amount of network bandwidth by making High Definition video calls. You need to ensure that users in Office3 only use Common Interchange Format (CIF) video. What should you do?
A. From the OCS console, modify the color depth settings in a meeting policy.
B. From the OCS console, configure the maximum video quality for the OCS server in Office3.
C. From the Microsoft Office Communicator client, run the Set up Audio and Video Wizard.
D. From the Group Policy Editor, create a group policy for the Microsoft Office Live Meeting client that sets the maximum bit rate for video calls.

Answer: B
Question 33
You have an Office Communication Server (OCS) 2007 R2 Standard Edition server. Phone numbers are populated in Active Directory. Some users have phone number that is not in E.164 format. You need to create custom normalization rule for the address book server so that Microsoft Office Communicator can use the phone numbers. What should you do?
A. From the OCS console, create the new rule and a new route.
B. From the OCS console, create the new rule and a new phone usage record
C. Create the new rule in the Sample_Company_Phone_Number_Normalization_Rules.txt
D. Create the new rule in a file named Company_Phone_Number_Normalization_Rules.txt. Copy the file to the Address Book Server output location.

Answer: D
Question 34
You plan to view the MOS scores of audio calls. You need to identify the type of calls that usually generate the highest MOS values. Which type of calls should you identify?
A. Conference calls

B. PSTN subscriber to UC
C. UC to PSTN subscriber
D. UCtoUC

Answer: D
Question 35
You have an office communication server (OCS) 2007 R2 infrastructure. The network contains an OCS server and Monitoring Server. Users report that they hear echo during voice calls. You need to identify if echo occurs during voice calls. Which value should you view in the Monitoring server reports?
A. Conversational MOS
B. Listening MOS
C. Network MOS
D. Sending MOS

Answer: A
Question 36
You have an Office communication server (OCS) 2007 R2 infrastructure. You notice that the members of the sales department and support department can initiate calls to local phone numbers only. You need to ensure that the members of the sales department can initiate calls to international phone numbers. Your solution must prevent members of the support department from initiating calls to international phone numbers. What should you do?
A. -a location profile -a contact -a route
B. -a location profile -a normalization rule -a policy
C. -a phone usage record -a contact -a normalization rule
D. -a phone usage record -a policy -a route


Answer: D
Question 37
You plan to configure a dial plan for dialing the PSTN. You need to configure the phone pattern to allow local dialing to area codes 312, 630, and 773. Which regular expression should you use?
A. ^(312,630,773)$(d{7})
B. ^(312|630|773)$(d{7})
C. ^(312, 630,773)(\d{7})$
D. ^(312|630|773)(\d{7})$

Answer: D
Question 38
You have an office Communications Server (OCS) 2007 R2 infrastructure. The network contains Microsoft Exchange Server 2007 Unified messaging (UM). The network is configured as shown in the following table:

You have a Windows Server 2008 certification authority (CA). OCS is configured for Mutual TLS (MTLS) communications. You notice that Microsoft Office Communicator clients do not trust the Exchange UM server certificate. You need to ensure that all Office Communicator clients can connect to the Exchange UM server. What should you do?
A. Export the self-signed certificate from Server1, and then import the certificate to OCS1.
B. Export the self-signed certificate from Server1, and then import the certificate to OCS2.
C. Remove the self-signed certificate from Server1, and then import a new certificate to Server1 from the internal CA
D. Remove the self-signed certificate from Server1. Export the certificate from OCS1, and then import the certificate to Server1

Answer: C Question 39

You have an Office Communications Server (OCS) 2007 R2 infrastructure. All users on the network run Office Communicator 2007 R2. Some users connect to the network from the Internet. You need to ensure that company users can initiate audio/video conferences with other company users. What should you deploy on the network?
A. an Edge Server
B. a media gateway
C. a Mediation Server
D. an extensible Messaging and Presence Protocol (XMPP) gateway

Answer: A
Question 40
You have office Communication (OCS) 2007 R2 deployed in multiple offices. The offices connect to each other by using high speed WAN links. You deploy an OCS monitoring server named OCS1. You notice a lot of data congestion on the WAN links. You confirm that the routers are configured to use QoS for encrypted audio traffic. You need to ensure that all OCS audio traffic on the WAN has the best audio quality possible. What should you do?
A. Enable compression for the pool.
B. Modify the 802.1P marking for SIP traffic.
C. Modify the log on settings of the OCS QoE Monitoring Agent service on OCS1.
D. Modify the DSCP marking for Secure Real-Time Transport Protocol (SRTP) traffic

Answer: D
Question 41
You have a Microsoft Exchange Server 2010 organization in your company. Exchange server 2007 unified messaging (UM) is connected to a legacy PBX. Users on your network receive their voice mail in their mailboxes. You deploy an office communication server (OCS) 2007 R2 server and connect some users by using Microsoft office communicator 2007 R2. You need to integrate OCS and UM. Your solution must ensure that UM users can receive their voice mail in their mailboxes during the integration. What should you do first?
A. From the OCS console, create two routes.

B. From the OCS console, create an enterprise voice policy.
C. From the exchange Management Console, Create a new UM dial plan.
D. From the exchange Management Console, modify the existing UM dial plan.

Answer: C
Question 42
Your company has two offices named office1 and office2. Each office is located in a different country. You have an office communication Server (OCS) 2007 R2 infrastructure. The infrastructure includes a location profile for office1 and a location profile for office2. You need to provide users with a preferred access number for each office. You create two access phone numbers What should you do next?
A. From the voice Properties, create two routes.
B. From the voice Properties, create two phone usage records
C. From the conferencing Attendant Properties, create one region
D. From the conferencing Attendant Properties, create two regions

Answer: D
Question 43
Your company has two main offices named Main1 and Main2. Main1 is located in France. Main2 is located in the United States. The offices connect to each other by using a high-speed WAN link. Main1 connects to the PSTN in France. Main2 contains an Office Communications Server (OCS) 2007 R2 server, a Mediation Server, and a PSTN gateway. You need to ensure that all calls to any number in France from a user in Main2 are routed over the WAN link. What should you do?
A. Deploy a second Mediation Server in Main2, and then create a route.
B. Deploy a second PSTN gateway in Main2, and then create a location profile
C. Deploy a PSTN gateway and a Mediation Server in Main1, and then create a route.
D. Deploy a PSTN gateway and a Mediation Server in Main1 and then create a location profile.

Answer: D
Question 44
You plan to deploy a mediation server and a media gateway. You need to recommend a signaling protocol to be used between the Mediation Server and the media

gateway. All signaling between the Mediation Server and the media gateway must be encrypted. Which protocol should you recommend?
A. Hypertext Transfer Protocol over Secure Sockets Layer (HTTPS)
B. Secure Real-Time Transport Control Protocol (SRTCP)
C. Secure Real-Time Transport Protocol (SRTP)
D. Transport Layer Security (TLS)

Answer: D
Question 45
You need to create a normalization rule that removes the prefix 6222 from outbound calls. Which regular expression should you use?
A. ^6222(\d*)$
B. ^({6222}\d*)$
C. ^(6222\d*)$
D. ^6222(\d*{+1})$

Answer: A
Question 46
You have an office communication Server (OCS) 2007 R2 infrastructure. You plan to implement SIP trunking. You need to recommend an OCS 2007 R2 compatible protocol that can perform SIP trunking. Which protocol should you recommend?
A. HTTP
B. SCTP
C. TCP
D. UDP

Answer: C
Question 47
You are the administrator for a company named BlueYonderAirlines.com. Your Company has two Office Communications Server (OCS) 2007 R2 servers named Server1 and Server2. Server1 is configured as a front End server.Server2 is configured as an Edge Server. You enable Federation for your company. Administrators from other companies report that they are unable to

locate your organization on the Internet. You need to ensure that other companies can locate your organization on the Internet. What should you do?
A. From your external DNS zone,create a Service Location (SRV) record named_sipfederationtls._tcp.Blueyonderairlines.com
B. From your external DNS zone,create a Service Location (SRV) record named_federated._udp.Blueyonderairlines.com.
C. On Server1, install the Communicator Web Access server role, and then install the Web scheduler
D. On Server2, install Microsoft Internet Security and Acceleration (ISA) server, and then configure Server2 as a reverse proxy

Answer: A
Question 48
You have an office communication server (OCS) 2007 R2 infrastructure. Users are permitted to call domestic United States telephone numbers only. You need to ensure that some executive users can call international numbers. What should you create?
A. -a contact -a normalization rule -an Enterprise voice policy
B. -a phone usage record -a route -an Enterprise voice policy
C. -a phone usage record -a contact -a normalization rule
D. -aroute -a location profile -a pool

Answer: B
Question 49
Your organization contains an office communication Server (OCS) 2007 R2 infrastructure. You need to create a set of normalization rules that will apply to a user named User1 only. What should you do first?

A. Create a new policy and assign it to User1.
B. Create a new location profile and assign it to User1.
C. Deploy a new pool, and then move User1 to the pool
D. Deploy a Response Group workflow and create a contact.

Answer: B
Question 50
Your company has an Office Communications Server (OCS) R2 infrastructure. The legal department manager has three assistants. You need to ensure that calls to the legal department manager ring for 10 seconds, and then ring the three assistants What should you do?
A. Configure team call
B. Deploy the Attendant console
C. Configure the default voice policy
D. Create a Response Group workflow

Answer: A
Question 51
Your company has an Office Communications Server (OCS) 2007 infrastructure. You need to deploy a solution that meets the following requirements:
-Store IM and group IM conversations in a central location. -Capture call detail records.
What should you deploy
A. an Archiving Server and a Director server
B. an Archiving Server and a Monitoring Server
C. an Archiving Server and a Microsoft System Center Operations Manager 2007 server
D. a Monitoring Server and a Microsoft System Center Operations Manager 2007 server
Answer: B
Question 52
Your company has a Line URI that uses the following numbering plan.

-Country Code: 31 -National Destination Code: 20 -Subscriber Number Range: 5001800-5001899
You need to create a normalization rule that enables internal dialing by using four digits. Which regular expressions should you include in the normalization rule?
A. -the Phone pattern ^(\d{4})$ -the Translation pattern +3120500$1
B. -the Phone pattern (\d{4})$ -the Translation pattern $1
C. -the phone pattern ^([1-9]\d{4})$ -the Translation pattern +3120500$1
D. -the phone pattern ^+3120500(\d{4})$ -the Translation pattern +3120500$1

Answer: A
Question 53
You have an office communication server (OCS) 2007 R2 infrastructure that contains a Front End Server, a Director server, and an Edge server. All of the users in your company use Microsoft Office Communicator 2007 R2. Some users are configured as remote users. the remote users report that they are unable to expand distribution lists by using Office Communicator. You need to ensure that all users can expand distribution lists by using Office Communicator. What should you do?
A. Remove the Director server from the network.
B. Publish the Edge Server by using a reverse proxy solution
C. Publish the Front End Server by using a reverse proxy solution.
D. Install the communication web Access server role on a new server.

Answer: C
Question 54
You have an office communication server (OCS) R2 server, a Mediation server, and a PSTN Gateway. You deploy an Edge server. You need to ensure that the remote users can initiate External PSTN phone calls by using Microsoft Office Communicator 2007 R2. What should you do?

A. Configure the Mediation Server to use the Edge Server for audio/video authentication.
B. Configure the Mediation Server to use the IP address of the Edge Server as the next hop
C. Allow connections over the 50,000 to 59,000 UDP port range from the Mediation Server to the Edge Server.
D. Allow connections over the 50,000 to 59,000 TCP port range from the Edge Server to the Mediation Server.

Answer: A
Question 55
Your company has a main office in the United States and a branch office in France.The offices connect to each other by using a WAN link. The main office contains an Office Communications Server (OCS) 2007 R2 Standard Edition server, a Mediation Server, and a media gateway. The branch office contains a Mediation Server and media gateway. You need to ensure that all calls made to the French country code (33) route through the WAN and terminate in France. What should you do?
A. Create a route, and then configure the route to terminate at the Mediation Server in France.
B. Configure the Mediation Server in the United States to use the media gateway in France as the next hop.
C. Create a new phone usage record and a new voice policy. Apply the new phone usage record to the new voice policy.
D. Create a new voice policy for all users based in the United States, and then apply the new voice policy to all users in the United States.

Answer: A
Question 56
Your company has an internal and an external perimeter network. Both networks are separated by a network firewall. A firewall separates the perimeter network from the internet. You deploy an office communication server (OCS) 2007 R2 infrastructure that contains an Edge Server. The Edge Server is installed in the Perimeter Network. All users connect by using Microsoft office communication 2007 R2. You need to identify the TCP ports that must be opened on the internal Firewall allow all users to participate in the audio/video conferences. Which ports should you identify?

A. TCP 443, TCP 5061, TCP 5062, and UDP 3478
B. TCP 443, UDP 5061, and TCP 8057
C. TCP 80, TCP 8057, and TCP 50000 to 59999
D. TCP 80, TCP 8057, and TCP 50000 to 59999

Answer: A
Question 57
Your company has a main office in the United States and a branch office in France. The offices connect to each other by using a WAN link. You deploy Office Communications Server (OCS) 2007 R2. Both offices have a Mediation Server and a media gateway. All calls that are made by users in the branch office to external numbers in France terminate at the local gateway. You need to ensure that users in France can call external numbers in France if the Mediation Server in France fails or if the media gateway in France fails. What should you do?
A. Add the Mediation Server in France to the list of media gateways for the route defined for calls in United States.
B. Add a Hardware load balancer in front of the Mediation Server in France. Configure the load balancer to distribute calls to the Mediation server in the United States
C. Configure the mediation server in the United States to have the same location profile as the Mediation Server in France.
D. Create a new phone usage record and associate the phone usage record to the voice policy and to a new route.

Answer: A
Question 58
You deploy Microsoft RoundTable devices to be used in multiple countries. You need to change the Microsoft RoundTable language settings. What should you do?
A. Run the RTmanage.exe tool.
B. Configure the device update service.
C. Use the Microsoft RoundTable touch screen
D. Create and link a live Meeting group policy.
Answer: A
Question 59

You deploy office communication Server (OCS) 2007 R2 Standard Edition and configure OCS to support dial in conferencing. All remote users have windows mobile 6.0 devices that run Microsoft office communicator 2007 R2. The help desk reports that it receives a large number of support calls from Windows Mobile users. The calls are related to dial-in conference usability. You verify that dial-in Conferencing functions correctly from windows devices. You need to reduce the number of support calls from Windows Mobile users. What should you do?
A. Deploy Microsoft Exchange Server 2010 ActiveSync.
B. Upgrade to OCS 2007 R2 Enterprise Edition.
C. Deploy the communicator Web Access server role
D. Upgrade all windows Mobile to Windows Mobile 6.5.

Answer: C
Question 60
You have an office communication server (OCS) 2007 R2 infrastructure. You plan to enable Enterprise voice. A user named user1 has the following phone numbers:
-Country code: 1 -Area code: 425 -Local Number: 555-1010
You need to configure the Line URI for User1. What should you specify as the Line URI for User1?
A. sip: +14255551010
B. sip: 14255551010
C. tel: +14255551010
D. tel: 14255551010

Answer: C
Question 61
You have an office Communication Server 2007 R2 infrastructure. The network contains a SIP domain named contoso.com. You create a Response group queue named support for the support department. The support department has an emergencymobile phone that has the telephone number (425) 555-1010. You need to configure to support response group so that unanswered calls for the support department are

forwarded to Emergency Mobile Phone. Which time out settings should you configure for the support queue?
A. ��+14255551010�� in the SIP URI box
B. ��+14255551010�� in the telephone number box
C. ��[email protected]�� in the SIP URI box
D. ��[email protected]�� in the telephone number box

Answer: D
Question 62
You deploy office Communication Server (OCS) 2007 R2 and configure OCS to support web conferencing. You need to ensure that all domain users can schedule Web conferences by using Microsoft office Outlook. Your solution ensures that the users can attend the Web conferences. Which two tasks should you perform?
A. Assign a meeting policy to all domain users.
B. Add all domain users to RTUniversalGuestAccessGroup
C. Install Microsoft office Communicator on all client computers
D. Install the communicator Web Access server role on a server
E. Install the Microsoft Outlook Conferencing Add-in and the Microsoft Office live Meeting client on the client computers.

Answer: AE
Question 63
You recently deployed office Communication Server (OCS) 2007 R2. You need to recommend a solution to meet the following requirements:
-View a list of participants who attend Microsoft Office Live Meeting conferences -View the start time and end time of Microsoft Office Live Meeting conferences
What should you recommend?
A. Implement QoE reporting.
B. Implement call Detail records
C. Deploy the Director server role
D. Deploy the Archiving server role.
Answer: B Question 64

Your company has two offices. The offices connect to each other by using a Tl WAN link. Office Communications Server (OCS) 2007 R2 is deployed in your network Users in both offices use Microsoft Office Communicator. Users do not use audio conferencing or video conferencing over the WAN link. You need to calculate the minimum bandwidth that is required to ensure that 10 voice streams can be initiated simultaneously between the offices. Your solution must provide the best possible audio quality. How should you calculate the minimum bandwidth required?
A. 128 Kbps for Real-Time Transport Protocol (RTP), and then calculate the overhead for Persistent Shared Object Model (PSOM) traffic.
B. 570 Kbps for Real-Time Transport Protocol (RTP), and then calculate the overhead for Session Initiation Protocol (SIP) traffic.
C. 1440 Kbps for Real-Time Transport Protocol (RTP), and then calculate the overhead for Session Initiation Protocol (SIP) traffic
D. 2280 Kbps for Real-Time Transport Protocol (RTP), and then calculate the overhead for Persistent Shared Object Model (PSOM) traffic.

Answer: B
Question 65
You plan to deploy office Communication Server OCS 2007 R2 in an organization that contains Two Active Directory forests named Forest1 and Forest2. Both forests contain user accounts. The forest function level of Forest1 is Windows 2000 native. The forest functional level of forest2 is windows server 2008. You need to recommend an OCS topology to meet the following requirements:
-Integrate OCS with Microsoft Exchange Server 2007Unified Messaging (UM) -Allow users from both forest to use OCS and UM -Minimize administrative effort and changes to Active Directory
What OCS topology should you recommend?
A. Deploy Office Communications Server 2007 R2 and Microsoft Exchange Server 2007 UM in Forest2.
B. Deploy Office Communications Server 2007 R2 and Microsoft Exchange Server 2007 UM in Forest1.
C. Deploy Office Communication Server 2007 R2 and Microsoft Exchange Server 2007 UM in both Forests.

D. Move all users from Forest1 to Forest2.Deploy Exchange Server 2007 UM and office Communications Server 2007 R2 in Forest2.

Answer: D
Question 66
Your company has office communication Server (OCS) 2007 R2 deployed. You plan to install Communicator Web Access (CWA) on a new server. You will use the following domain names:
-cwa.contoso.local for the CWA server -im,contoso.com for the CWA virtual directory
You need to request two certificates for the CWA server. Your solution must support all CWA features and prevent certificate warnings from being displayed to users. Which two names should you add to the Certificates? (Choose two)
A. For the certificate used for secured Sockets Layer (SSL), add the name cwa.contoso.local
B. For the certificate used for Mutual TLS (MTLS), add the name cwa.contoso.local
C. For the certificate used for Secure Sockets Layers (SSL), add the names im.contoso.com, as.im.contoso.com and download.im.contoso.com
D. For the certificate used for Mutual TLS (MTLS),add the names im.contoso.com, as.im.contoso.com, and download.im.contoso.com.

Answer: BD
Question 67
You need to create a normalization rule that matches 10-digit numbers that are preceded by the number 9. Which regular expression should you use?
A. ^9(\d{$10})
B. ^9(\d{10})$
C. ^([0-9]\d{10})$
D. ^(\d{0}|{0-9})$

Answer: B
Question 68
You have an Office Communications Server (OCS) 2007 R2 Infrastructure. The OCS 2007 R2 infrastructure includes the following components:

-two front End Servers in a single pool -two Microsoft SQL Server 200S servers In a fail over cluster -one Mediation Server -one Director server -one media gateway -one hardware load balancer
The infrastructure includes Microsoft Office Communicator 2007 R2 users that work either from the office or from home. You need to ensure that remote users can call internal users by using Office Communicator if a single server fails. What should you deploy?
A. -an additional Edge Server -an additional hardware load balancer
B. -an additional Director server -a windows Network Load Balancing cluster
C. -an additional Director server -a windows Network Load Balancing cluster
D. -an additional Mediation Server -an additional media gateway

Answer: A
Question 69
You plan to deploy a test Office Communication Server (OCS) R2 infrastructure on your network. The network will be configured as shown in the following table

Remote users will initiate calls by using Microsoft Office Communicator 2007 R2. A network administrator creates records in the DNS zone to support the planned OCS deployment. The records are configured in the following table


You need to recommend changes to the records in the DNS zone to support automatic configuration of the office communicator clients. Which two changes should you recommend? (Choose two)
A. Modify the name of the SRV record.
B. Modify the name of the CNAME record.
C. Create an A record named SIP.contoso.com that points to 172.16.1.1
D. Create an A record named CWA.contoso.com that points to 192.168.1.1

Answer: AC
Question 70
Your company has an office communication server (OCS) 2007 R2 infrastructure that contains a single Enterprise pool. This pool has FQDN of pool1.contoso.local and a single SIP domain of contoso.com. You need to create DNS records to support automatic configuration of Microsoft Office Communicator clients. Which records should you create?
A. an SRV record n contoso.com and an A record in contoso.com
B. an SRV record n contoso. local and an A record in contoso.local
C. an SRV record m contoso. com and a MX record in contoso.com
D. an SRV record in contoso. local and a MX record in contoso.local

Answer: A
Question 71
You have an Office Communications Server (OCS) 2007 R2 infrastructure that contains an OCS server and a Monitoring server. Users make calls by using a headset device and Microsoft Office Communicator 2007 R2. You are testing a new headset device. You provide the headset device to 100 users. You need to identify if the new headset device is providing the same audio Quality as the existing headset device. What should you do from the Monitoring Server report page?
A. Open a Trend report and examine the average Network MOS value.
B. Open a Trend report and examine the average Sending MOS value.
C. Open a Device report and examine the average Listening MOS value.
D. Open a Device report and examine the average Conversational MOS value.
Answer: D Question 72

You have an Office Communications Server (OCS) 2007 R2 server. Users In your company uses Microsoft Office Communicator only to make internal calls. Some users report poor quality during internal Office Communicator calls. You need to identify the cause of the poor qualify of voice calls. What should you do?
A. Use Performance Monitor to generate a trace tog for the CCCP Processing object.
B. Use Performance Monitor to generate a trace tog for the Pool paged bytes counter
C. From the Monitoring Server, review the contents of the UC-to-UC Summary/Trend report.
D. From the Monitoring Server, review the contents of the Mediation server Performance report.

Answer: C
Question 73
You have an Office Communications Server (OCS) 2007 R2 infrastructure. You deploy an Edge Server. An external firewall performs Network Address Translation to the external IP addresses of the Edge Server. You run the Edge Server Setup Wizard and then configure the OCS FrontEnd Server to connect to Edge services. You need to ensure that users can initiate audio and video calls to external users. Which two actions should you perform? (Choose two)
A. Open the Computer Management console. From the A/V Edge properties, enable the External IP Address is translated by NAToption from the properties of the Edge Server.
B. Open the DNS administrator console. Create a Host (A) record that points to the external IP address assigned to the A/V Edge service.
C. Open the Computer Management console. From the A/V Edge properties, change the internal A/V authentication port to 3478.
D. Open the OCS Administrator console. From the Edge Servers Global Properties, add the external name assigned to the A/V Edge service.

Answer: AB
Question 74
Your company has a main office and five branch offices. You have 10,000 users. Your network contains an Office Communications Server 2007 R2 infrastructure that contains five Front-End servers in your main office. You need to recommend a solution to reduce the overhead associated with authentication on the Front-End

servers. What should you recommend?
A. A Director server in the main office that is a member of the internal Active Directory domain.
B. A Director server in the main office that is a member of a workgroup
C. Kerberos constrained delegation on all Front-End servers
D. Round-robin DNS

Answer: A
Question 75
You have an Office Communications Server (OCS) 2007 R2 infrastructure that contains a single Monitoring Server. You deploy a new pool. You connect to the Monitoring Server Web page and discover that the reports do not contain information for the new pool. You verify that the reports contain information for other pools. You need to ensure that you can view QoE information for the new pool. What should you modify from the OCS console?
A. the properties of the Archiving Server
B. the properties of the Front End Server for the pool
C. the properties of the Mediation Server
D. the properties of the Voice policy

Answer: B
Question 76
You have an Office Communications Server (OCS) 2007 R2 infrastructure that contains an OCS server and a Monitoring Server. In the past few days, your company hired 200 new employees for the main office. You create new user accounts for the employees in the main office. The new users initiate audio calls by using Microsoft Office Communicator. Users who have been on the system for more than one month report that that the voice quality of audio calls has degraded substantially in the past few days. You need identify if the addition of the new users is degrading the quality of voice calls. Your solution must use the least amount of administrative effort. What should you do?
A. From Microsoft Network Monitor, create a network capture and examine the capture for packet loss.
B. From Microsoft Network Monitor, create a network capture and examine the capture for packet jitter.

C. From the Monitoring Server report page, open a Trend report and examine the average Network MOS value.
D. From the Monitoring Server report page, open a Peer-to-Peer Voice and Video Activity report and examine the Call Type section.

Answer: C
Question 77
Your company's network is connected to the Internet. The connection to the Internet is secured by using a firewall. Your network contains an Office Communications Server (OCS) 2007 R2 infrastructure. Currently. Users in your company are participating in a Microsoft Office Live Meeting session. A federated partner company named Litware Inc. is hosting the session. Litware has Office Communications Server (OCS) 2007 R2 deployed on their network. Users report that they are unable to download content during the Web conferences hosted by Litware. You need to ensure that users from your organization can download content from the Web conferences hosted by Litware. What should you do?
A. Open TCP 8057 on your company's external firewall.
B. Open UDP 5061 and TCP 5062 on your company's external firewall.
C. Request that the administrator of Litware modify the Meeting policy settings in their OCS organization.
D. Request that the administrator of Litware installs a trusted third-party certificate on the server that is configured as a reverse proxy.

Answer: D
Question 78
You have an Office Communications Server (OCS) 2007 R2 infrastructure-view the normalization rule for the United States Long Distance profile as shown below


You need to ensure that users can make local calls by first dialing 9, and then dialing a 10-digit telephone number. Which normalization rule setting should you modify?
A. the Internal enterprise extension check box
B. the Phone pattern regular expression
C. the Translation pattern regular expression
D. the Use translation when dialing from device check box

Answer: B
Question 79
You have an office communication (OCS) 2007 R2 standard edition server. A recent security breach causes the network administrator to reset the password for all user accounts in the Active Directory domain. You provide the new passwords to all users. You plan to restart the OCS server. You need to ensure that the OCS server functions correctly after the restart. What should you do?
A. Reissue the certificate on the OCS server.

B. Modify the properties of the OCS services, and then modify the properties of the LSGroupExpAppPool application pool.
C. Modify the properties of OCS services, and then modify the properties of Rgs virtual directory.
D. Create a new user account named OCSAdminService, and modify the properties of OCS services to use the new account.

Answer: B
Question 80
You have an Office Communications Server (OCS) 2007 R2 infrastructure. You configure Enterprise Voice. You need to emulate the Mediation Server. Which tool should you use?
A. Enterprise Voice Route Helper
B. OCS Logging Tool
C. Validation Wizard
D. VoIP Test Set

Answer: D
Question 81
Your company has a main office and a branch office. Both offices have Office Communications Server (OCS) 2007 R2 deployed. The offices connect to each other by using a WAN link. Some users in the main office report that the audio quality is poor during peer-to-peer Microsoft Office Communicator calls to users in the branch office. Users from both offices report that the audio quality is adequate during calls to users in the same office. You need to identify the quality of the audio calls between the offices. What should you do from the Monitoring Server report page?
A. Open the UC-to-UC Summary/Trend report and examine the Network MOS scores.
B. Open the UC-to-UC Summary/Trend report and examine the Conversational MOS scores.
C. Open the Mediation Server QoE Performance report and examine the Network MOS scores
D. Open the Mediation Server QoE Performance report and examine the Conversational MOS scores.
Answer: A
Question 82
You have an Office Communications Server (OCS) 2007 R2 server.

You deploy a new client computer for a user named User1.
User1 reports that he receives a certificate error in Office Communicator 2007 R2 and cannot connect to the OCS server. You verify that other users can connect to the OCS server. You need to ensure that Userl can connect to the OCS server. What should you do?
A. Add an Enrollment policy on User1's computer.
B. Configure the computer of User 1 for certificate enrollment.
C. Replace the certificate on the OCS server with a self-signed certificate.
D. Configure the computer of User1 to trust the issuing certification authority (CA) of the OCS servers' certificate.

Answer: D
Question 83
You have an Office Communications Server (OCS) 2007 R2 infrastructure. Users initiate voice calls from remote locations by using Microsoft Office Communicator. Some users report that they experience low quality audio during calls from remote locations. The users experience good audio quality when they initiate calls from the internal network. You need to provide a solution for users to predict the quality of audio calls from remote locations. What should you do?
A. Deploy the VoIP Test Set tool to all client computers.
B. Deploy the Pre Call Diagnostic Tool to all client computers.
C. Deploy the OCS 2007 R2 Attendant console to all client computers.
D. Instruct users to run the Set up Audio and Video Wizard

Answer: B
Question 84
You need to analyze the contents of the SIP log files on an Office Communications Server (OCS) 2007 R2 server. Which tool should you use?
A. Enterprise Voice Route Helper
B. Office Communications Server (OCS) 2007 Best Practice Analyzer
C. Snooper
D. Validation Wizard
Answer: C Question 85

You have an Office Communications Server (OCS) R2 infrastructure. You need to create an interactive voice response (IVR) menu. What should you do?
A. Configure team calling.
B. Create a normalization rule
C. Deploy the Attendant console.
D. Configure a Response Group workflow.

Answer: D
Question 86
Your network contains an Office Communications Server (OCS) 2007 R2 server that is configured for federation. You need to ensure that only internal users and federated users can join conferences organized by users in the company What should you do?
A. Instruct the meeting organizers to select the Invite within Network meeting type.
B. Instruct the meeting organizers to select the Invite within Network (Restricted) meeting type.
C. Instruct the federated users to send a copy of their certificate's public key to the meeting organizers.
D. Instruct the meeting organizers in your company to send a copy of their certificate's public key to the federated users.

Answer: A
Question 87
You deploy an Office Communications Server (OCS) 2007 Standard Edition server on the network. The format of the SIP addresses for users is [email protected]. You deploy Microsoft Office Communicator Phone Edition 2007 R2 devices. You need to ensure that all devices can synchronize their clocks from a server named Server1.contoso.com. What should you do?
A. Add an Alias (CNAME) record named Time that points to server1.contoso.com.
B. Add a Host (A) record named time.contoso.com that points to the IP address of Server1.contoso.com.
C. Add a Service Location (SRV) record named _ntp. tcp.contoso.com that has

Server1.contoso.com as the host name.
D. Add a Service Location (SRV) record named _ntp. udp.contoso.com that has host01.contoso.com as the host name.

Answer: D
Question 88
You have an Office Communications Server (OCS) 2007 R2 infrastructure. All Edge Servers use certificates from an internal root certification authority (CA). You deploy devices that run Microsoft Office Communicator 2007 R2 Phone Edition on the network-Users report that they are unable to use their devices from home. You verify that all user accounts are enabled for remote access. You need to ensure that the users can use the devices from home. What should you do?
A. Configure the Edge Servers to be a member of an Active Directory domain
B. Configure the Edge Servers to use certificates from a public trusted CA.
C. From the Edge Servers, export the certificate to a PKCS #7 file. Instruct the users to install the certificate.
D. From the internal root CA, export the certificate chain to a PKCS #7 file. Instruct the users to install the certificate chain.

Answer: B
Question 89
You have an Office Communications Server (0C5) 2007 R2 infrastructure. You deploy devices that run Microsoft Office Communicator 2007 R2 Phone Edition on the network. You need to recommend a solution to deploy software updates to the devices. Which solution should you recommend?
A. Deploy Windows Server Update Services (WSUS) 3.0. Download the updates, and then approve the updates.
B. From the Device Update Services console, upload the updates, and then approve the updates.
C. Upload the .cab update files to a TFTP server that is accessible from the network.
D. Deploy a Windows SharePoint Services (WSS) site named OCPEUpdate, and then upload the software updates to the site.
Answer: B
Question 90

You have an office communication server (OCS) 2007 R2 infrastructure. A user named user1 has the phone
number 425-555-1010. You need to ensure that user1 can receive calls and can make calls outside the company from the assigned phone number. How should you configure the telephony settings for user1?
A. Enable Enterprise voice, set the line URI property to Tel: +14255551010.
B. Enable Enterprise voice,and then enable PBX integration. Set the Server URI property to SIP:4255551010
C. Enable remote call control. Set the Line URI property to Tel: +14255551010.
D. Enable remote call control. Set the Server URI property to SIP: 4255551010

Answer: A
Question 91
You have an office communication server (OCS) 2007 R2 infrastructure. You need to provide a group of assistants with the ability to answer inbound calls and to initiate outbound calls on behalf of their managers. What should you deploy on the network?
A. Microsoft Office Communicator 2007 R2 Phone Edition devices
B. the OCS 2007 R2 Attendant console
C. the Microsoft Office Communicator 2007 R2 client
D. the Response Group feature

Answer: B
Question 92
You deploy an Office Communications Server (OCS) 2007 R2 Mediation Server and set the next hop to be your company's existing PBX. You notice that users are unable to place outbound calls. You identify that the PBX cannot accept E.164 formatted numbers that begin with a + sign. You need to ensure that users can make outbound call What should you do?
A. From ADSI Edit, set the value of msRTCSIP-OptionFlags to 0.
B. From the OCS Administrator console, remove the + sign from the Line URI property of each user.
C. From Active Directory Users and Computers, modify the value of the telephone number for each user.
D. From Windows Management Instrumentation Tester, set the value of RemovePlusFromRequestURI to TRUE.


Answer: D
Question 93
You need to design an office Communication Server (OCS) 2007 R2 deployment that is available even if a single server fails. Your solution must minimize costs. What should you include in the design?
A. -OCS 2007 R2 Standard Edition -two Front End Servers in a pool -one hardware load balancer
B. -OCS 2007 R2 Enterprise Edition -two Front End Servers in a pool -one hardware load balancer
C. -OCS 2007 R2 Standard Edition -one Front End Server -Windows network load balancing (NLB)
D. -OCS 2007 R2 Enterprise Edition -One Front End Server -Windows network load balancing

Answer: B
Question 94
Your company has an Office Communications Server (OCS) 2007 R2 Standard Edition infrastructure. You plan to deploy enterprise voice features. You need to remove all single points of failure for the enterprise voice media path. What should you deploy?
A. two Director servers and two pools
B. two Director servers and two Edge Servers
C. two Mediation Servers and two Edge Servers
D. two Mediation Servers and two media gateways
Answer: D
Question 95
You plan to deploy an office Communications Server (OCS) 2007 R2 infrastructure that contains a Mediation

Server and a PBX. You need to create a normalization rule to meet the following requirements:
-Support the +1 425 555 2000 to +1 425 555 3999 telephone number range. -Support a PBX that can only send the last four digits of numbers to the OCS server.
What should you do?
A. -Create a normalization rule in a location profile that has a number pattern of ^ ([2-3]\ d{3})$ and a translation of +1425555$1 -Apply the location profile to all users.
B. -Create a normalization rule in a location profile that has a number pattern of ^ (23\ d {3})$ and a translation of +1425555$1 -Apply the location profile to all users.
C. -Create a normalization rule in a location profile that has a number pattern of ^ ([2-3]\d {3})$ and a translation of +1425555$1. -Apply the location profile to the Mediation Server.
D. -Create a normalization rule in a location profile that has a number pattern of ^ (23\d{3})$ and a translation of +1425555$1 -Apply the location profile to the Mediation Server.

Answer: A
Question 96
Your company has a single office. You are planning a fault tolerant deployment of office communication Server (OCS) 2007 R2. The deployment will connect to the PSTN. You need to recommend Equipment that meets the following requirements:
-Users must be able to call external telephone numbers if a media gateway fails -Users must be able to call external telephone numbers if a mediation server fails
What should you recommend?
A. Two media gateways and two mediation servers, configure only one voice route to point to a single Mediation server.
B. Two media gateways and two Mediation Servers, configure a voice route to point to both Mediation servers.
C. Two Mediation Servers that have windows failover clustering installed and two media Gateways that have multiple ports.
D. Two Mediation Servers that have windows network Load Balancing installed and two media Gateways that have multiple ports.


Answer: B
Question 97
You plan to deploy Office Communications Server (OCS) 2007 R2 Enterprise Edition. You will enable Enterprise Voice and Web conferencing. You also plan to deploy OCS server roles as virtual machines by using Windows Server 2008 R2 Hyper-V. You need to identify the OCS server roles that can be deployed as virtual machines. Your solution must maintain product support from Micros Which OCS server role should you identify?
A. Director server
B. Front End Server
C. Group Chat Server
D. Mediation Server

Answer: C
Question 98
You have an Office Communications Server (OCS) 2007 R2 Front End Server You need to recommend a dial-in conferencing solution that meets the following requirements:
-Provides a dial-in option for all users. -Allows all users to change their PlNs.
What should you include in your recommendations?
A. A Communicator Web Access server and an Edge Server
B. A Communicator Web Access server and a Mediation Server
C. A Director server and an Edge Server
D. A Director server and a Mediation Server

Answer: B
Question 99
You deploy audio/video conferencing in your organization. Your company��s legal department has three users. You need to ensure that all users in the Legal department can record web conferences. Your solution must prevent users from other departments from recording Web conferences. Which two tasks should you perform? (Choose two)

A. Open the office communication server Global properties, select the Meeting tab, and then select the use per user policy option.
B. Open the office communication server Global properties, select the Meeting tab, and then select the policy 5 (low) option.
C. Open the properties of the user accounts in the legal department, From the Meeting Options, Select the policy 1 (high) option.
D. Open the properties of the user accounts in the legal department, From the Meeting Options, Select the default policy option.

Answer: AC
Question 100
You deploy an OCS 2007 R2 STD edition server to your company network. You enable web conferencing for users in your company. You need to ensure that only users from your company can connect to web conferences hosted by ocs. What should you do?
A. From the ocs console, open the OCS global properties, click the meetings tab and then select disallow user from inviting anonymous participants.
B. From the ocs console, open the OCS global properties, click the meetings tab and then select enforce per user.
C. From the IIS manger, click on the PhoneConferencing virtual directory, open the Authentication IIS option and then enable Froms Authentication.
D. From the IIS manger, click on the PhoneConferencing virtual directory, open the Authentication IIS option and then disable Windows Authentication

Answer: A
Question 101
Your company has as an Internal network and a perimeter network. The internal network contains an office communications server 2007 R2 infrastructure that hosts Web conferences for the sales team and for external users. The internal network contains a Front End Server, a media gateway, and a Mediation Server. The perimeter network contains an Edge Server. You plan to Share documents with the external users dung the web conferences. You need to ensure that the external users can access the documents. Your solution must provide the highest level of security and access control possible. What should you do?
A. Move the media gateway to the perimeter network

B. Move the Mediation Server to the perimeter network.
C. Publish the Edge Server by using a reverse proxy solution.
D. Publish the Front End Server by using a reverse proxy solution.

Answer: D
Question 102
You have an Office Communications Server (OCS) 2007 R2 Infrastructure that contains a Front End Server, an Edge Server, a Mediation Server, and a media gateway. You have a digital ISDN-based PBX. You plan to configure interoperability between OCS and the PBX. You need to configure audio communications between the OCS infrastructure and the PBX What should you do?
A. -On the Mediation Server, configure the IP address of the media gateway as the next hop IP address. -Connect the media gateway to the PBX, and then connect the media gateway to the Mediation Server by using TCP.
B. -On the Mediation Server, configure the IP address of the media gateway as the next hop IP address. -Connect the media gateway to the PBX, and then connect the media gateway to the Mediation Server by using UDP.
C. -On the Mediation Server, configure the IP address of the Edge Server as the next hop IP address. -Connect the media gateway to the PBX, and then connect the media gateway to the Mediation Server by using TCP.
D. -On the Mediation Server, configure the IP address of the Edge Server as the next hop IP address. -Connect the media gateway to the PBX, and then connect the media gateway to the Mediation Server by using UDP.

Answer: A
Question 103
Your company has two offices named Office1 and Office2. Each office located in a different country. You have an Office Communications Server (OCS) 2007 R2 infrastructure. The infrastructure includes a location profile for Office1 and a location profile for Office2. You need to provide a local conference dial-in number for each office What should you do?

A. From the voice Properties, create two routes.
B. From the voice Properties, create two phone usage records
C. From the Conferencing Attendant Properties, create two regions.
D. From the Conference Attendant Properties, create two access phone numbers.

Answer: D
Question 104
You plan to deploy Microsoft Exchange Server 2010 and Office Communications Server (OCS) 2007 R2 in an integrated Unified Messaging (UM) configuration. You need to recommend the UM dial plan settings to configure. What should you recommend?
A. a UM dial plan set to Secured and a URI type set to E.164
B. a UM dial plan set to Secured and a URI type set to SIP URI
C. a UM dial plan set to SIPSecured and a URI type set to E.164
D. a UM dial plan set to SIPSecured and a URI type set to SIP URI

Answer: D
Question 105
Your company has Microsoft Exchange Server 2007 Unified Messaging (UM) and Office Communications Server (OCS) 2007 R2 deployed. You need to create contact objects for each UM auto attendant and each UM subscriber access number. What should you do?
A. From the OCS server, run the abserver.exe command.
B. From the OCS server, run the ocsumutil.exe command.
C. from the Exchange server, run the ExchUCUtil.ps1 PowerShell scnpt.
D. From the Exchange server, run the ServiceControl.ps1 PowerShell scnpt

Answer: B
Question 106
You plan to deploy Office Communications Server (OCS) 2007 R2. The deployment will contain a single enterprise pool and two Front End Servers. All users run Microsoft Office Communicator 2007 R2. You need to ensure that users can connect to both Front End servers.

A. A Director server
B. a hardware load balancer
C. a Windows server failover cluster
D. a Windows Network Load Balancing (NLB) cluster.

Answer: B
Question 107
Your company plans to deploy a Web conferencing solution by using Microsoft Office Communications Server (OCS) 2007 R2. You need to recommend the OCS server roles required for Web conferencing. Whch OCS server roles should you recommend?
A. -Director Server -Communicator web Access server
B. -Edge Server -Communicator web Access server
C. -Edge Server -Mediation Server
D. -Edge Server -Front End Server
E. -Front End Server -Mediation Server

Answer: D
Question 108
Your network contains an Office Communications Server (OCS) 2007 R2 infrastructure and an IP-PBX. A user named User1 uses Microsoft Office Communicator to make voice calls. A user named User2 uses a PBX phone to make voice calls. User1 reports that he is unable to receive calls from User2. You verify the logs on the Mediation Server end discover that the call to User1 was sent to the +1234 number. You need to ensure that user1 can receive calls from User2. What should you modify?
A. the Edge Server configurations
B. the IP-PBX configurations
C. the route
D. the voice policy


Answer: B
Question 109
You have an Office Communication server (OCS) 2007 R2 enterprise edition server. Users report that they are prompted for authentication when they download the Address book from Microsoft Office Communicator 2007 R2. You need to prevent authentication prompts from displaying when users download the Address book from the Office Communicator. What should you modify?
A. the authentication settings of the Abs virtual directory.
B. the authentication settings of the default web site on the ocs server.
C. the permissions of the folder that contains the address book.
D. The permissions of the OCS installation folder.

Answer: A
Question 110
You have an Office Communications Server (OCS) 2007 R2 infrastructure. All users run Microsoft Office Communicator 2007 R2. You often create custom normalization rules on the Address book server by using the ABS Configuration Tool. After applying the changes, you often notice that the rules are not applied. You need to ensure that new rules are always applied quickly. What should you do after creating new rules?
A. Run abserver.exe regenUR on the Front End Server
B. Run abserver.exe -syncNow on the Front End Server.
C. Restart Communicator 2007 R2 on all client computers.
D. Restart the Office Communications Server Front End service on the Front End Server.

Answer: B
Question 111
You have an Office Communications Server (OCS) 2007 R2 infrastructure. You deploy devices that run Microsoft Office Communicator Phone edition 2007 R2 Some users have the Office Communicator 2007 R2 client installed and also use the devices. The users report that they are unsuccessful when dialing some numbers from the new devices. You verify that the users can successfully call any internal number or any external number from Office Communicator. You also verify that the problem occurs only when the users use Quick Dial from the new device.

You need to ensure that the users can successfully call any internal or external number when using Quick Dial. What should you do?
A. From the OCS console, modify the properties of the Voice policy.
B. From the OCS console, modify the properties ofthe normalization rules.
C. From Office Commuracator, create a custom location.
D. From Office Communicator, turn on TTY mode.

Answer: B
Question 112
Your company has a main office and a branch office. The offices are seperated by a firewall. Office Communications 2007 R2 server are deployed at the main office. A user named User1 works in the branch Ofiice. A user named User2 works in the main office. You install Microsoft Office Communicator on the computer of User1. User1 attempts to call User2. User2 answers the call and then report that he cannot hear User1. You need to ensure that User1 can succesfully call users in the main office. Whih kind of traffic should you allow on the firewall?
A. H.323
B. Persistent Shared Object Model (PSOM)
C. Secure Real-Time Transport Protocol (SRTP)
D. Session Initiation Protocol (SIP)

Answer: C
Question 113
You have an Office Communications Server (OC5) 2007 R2 infrastructure. You deploy Microsoft Office Communicator 2007 R2 Phone Edition devices. You create two normalization rules named Rule1 and Rule2. You need to prevent Rule1 from being applied to the devices. What should you do?
A. From the Office Communications Server Voice Properties, modify the Global policy.
B. From the properties of Rule1, clear the Use translation when dialing from device check box.
C. From the properties of Rule1, select the Internal enterprise extension check box.
D. From the properties of the location profile, select the Optimize device dialing check box.
Answer: B Question 114

Your company has an internal and a perimeter network. Both networks are separated by a firewall. A firewall also separates the perimeter network from the internet. You deploy an Office Communications Server (OCS) 2007 R2 infrastructure that contains an Edge Server. The Edge Server is installed in the perimeter network. All users connect to the OCS network by using Microsoft Office Communicator 2007 R2. You need to identify the TCP ports that must be opened on the external firewall to allow all remote users to participate in audio/video conferences. Which ports should you identify?
A. TCP 443 and UDP 3478
B. TCP 443, TCP 3478, and TCP 50000-59999
C. TCP 443, TCP 3478, and UDP 50,000 to 59,999
D. TCP 80, TCP 88, TCP 5061, and UDP 5061

Answer: A
Question 115
You gave an Active Directory forest that contains multiple domains. You plan to deploy an Office Communications server 2007 R2 Enterprise Edition Front End server in an Enterprise pool. You will create multiple SIP domains. You need to recommend the names that must be included in the server's certificate. Your solution must support automatic configuration. Which names should you recommend?
A. -The fqdn of the enterprise pool -The FQDN of the server -The SIP domain names
B. -the FQDN of the Enterprise pool -the Active Directory domain names
C. -The NETBIOS name of the server -the FQDN of the server -the SIP Domain names
D. -the NETBIOS name of the server -the Activr Directory domain names
Answer: A
Question 116
You have an Office Communications server 2007 R2 infrastructure that contains an Edge server.

You need to recommned changes to the environment to support integration between OCS and Windows Live Messenger. What should you recommend?
A. Enable federation
B. Enable public IM connectivity
C. Deploy a Director server.
D. Deploy an extensible Messaging and Presence Protocol (xmpp) Gateway

Answer: B
Question 117
Your company has two offices named office 1 and office 2. Both offices connect to each other by using a WAN link. You have an office communication server (OCS) 2007 R2 infrastructure. Each office contains the following components:
-A pool -A front end server -A back end Microsoft sql2005 server -A mediation server -A media gateway
You need to recommend changes to the environment to ensure that calls can be made to the PSTN if a single Mediation Server fails. What should include in your recommendations?
A. A federation
B. Two edge servers
C. Two location profiles
D. Two routes

Answer: D
Question 118
You have a main office and 10 branch offices. The offices connect to each other by using a WAN link. Each office has an IP router and connects to the PSTN.SIP trunking is not available at any of the offices. You need to plan the placement of office communications server (OCS) servers and devices to support least cost routing at all the offices. What should you include in your plan?

A. In each office, install a Mediation Server and install a media gateway
B. In the main office only, install ten Mediation Servers and install two media gateways.
C. In the main office only, install ten mediation servers and install ten media gateways.
D. In the main office only,install a Mediation server. In each office install a media gateway.

Answer: A
Question 119
You plan to deploy an office communications server (OCS) 2007 R2 infrastructure that contains the following components:
-Two Front End Servers in a single pool -two Microsoft SQL Server 2005 servers in a failover cluster -one mediation server -one edge server -one media gateway -one hardware load balancer -one PBX
All users will make phone calls to phone numbers in the PSTN from OCS 2007 R2 clients that run on computers on your network only. You need to recommend changes to the OCS deployment to ensure that users can initiate calls if any server fails. Which two components should you add to the deployment ?(Each correct answer presents part of the solution,Choose two)
A. A director server
B. A media gateway
C. A mediation server
D. An edge server

Answer: BC
Question 120
You have an office communications server (OCS) 2007 R2 infrastructure . The OCS 2007 R2 infrastructure includes the following componennts:
-Two Front End Servers in a single pool -two Microsoft sql server 2005 servers in a failover cluster -one mediation server -one edge server -one director server -one media gateway -one hardware load balancer

The infrastructure includes Microsoft Office Communicator 2007 R2 clients that work either in the office or from home. You need to ensure that remote users can call internal users by using Office communicator if a single server fails. What should you deploy?
A. -An additional Edge Server -An additional hardware load balancer
B. -an additional director server -a windows network load balancing cluster
C. -an additional mediation server -an additional hardware load balancer
D. -an additional mediation server -an additional media gateway

Answer: A
Question 121
Your company has OCS R2 deployed and configured to accept voice calls from a PBX. You need to provide a user with the ability to receive calls from the PSTN by using Microsoft Office Communicator 2007 R2. What should you do?
A. From the user��s other options , select the Enableremote user access, and then select the Enable Federation check boxes.
B. From the user��s Telephony options , select the EnableRemote call control check box, and then enter a SIP address in the Server URIbox
C. From the user��s Telephony options , select the EnableRemote call control check box, and then enter the user��s telephone number in the Line URIbox
D. From the user��s Telephony options select the EnableEnterprise Voice check box, and then enter the user��s telephone nuber in the Line URIbox

Answer: D
Question 122
You have an office communication Server (OCS) 2007 R2 infrastructure that connects to the PSTN. You plan to deploy dial-in conferencing. You need to ensure that users can dial in the audio conferences hosted on your OCS servers.

What should you do?
A. Modify the default meeting policy, and then add an access phone number.
B. Modify the default meeting policy, and then deploy the Microsoft Outlook Conferencing Add-in.
C. Create a location profile, and then deploy the Microsoft Outlook Conferencing Add-in.
D. Create an enterprise voice policy, and then add an access phone number.

Answer: A
Question 123
You have an office Communication server (OCS) 2007 R2 infrastructure. All Edge servers use certificates from an internal route certification authority (CA). You deploy devices that run Microsoft office Communicator 2007 R2 Phone Edition on the Network. Users report that they are unable to use their devices from home. You verify that all user accounts are enabled for remote access. You need to ensure that the users can use the device from home. What should you do?
A. Configure the Edge Servers to be a member of an active Directory domain.
B. Configure the Edge Servers to use certificates from a public trusted CA.
C. From the Edge Servers, export the certificate to a PKCS #7 file. Instruct the user to install the certificate.
D. From the internal root CA, export the certificate chain to a PKCS #7 file. Instruct the users to install the certificate chain.

Answer: B
Question 124
You plan to deploy an office Communication Servers (OCS) 2007 R2 web conferencing solution that contains the following components:
-two front end servers in a single pool -two Microsoft sql server 2005 servers in a failover cluster -one mediation server -one media gateway -one hardware load balancer -one PBX
You need to recommend changes to the existing solution to meet the following requirements:
-Provide Web conferencing access for all company users.

-Provide Web conferencing access for federated users -Provide access to Web Conferencing if any single server fails
What should you include in your recommendations?
A. An additional mediation server and an additional media gateway
B. Two communicator web Access servers and two hardware load balancers
C. Two Edge Servers and two hardware load balancers
D. Two front end Servers in a new pool

Answer: C
Question 125
Your company has a main office and a branch office. The main office connects to the PSTN. The branch office connects directly to the internet.The offices connect to each other by using a WAN link. You deploy an office communication Server (OCS) 2007 R2 Front End Server in each office. You need to ensure that all voice calls from users in the branch office are sent through the local connection to the Internet. What should you deploy in the branch office?
A. a Director server and a direct SIP connection
B. a Director server and SIP trunking
C. a Mediation Server and an Edge Server
D. a Mediation Server and SIP trunking

Answer: D
Question 126
Your company has a single office and 500 employees. You have an Office Communications Server (OCS) 2007 R2 infrastructure that contains a Front End Server, an Edge Server, and a Mediation Server. Recently, you migrated the Web conferencing solution from hosted Live Meeting to on-premise. Users report a lag during Web conferences. You need to recommend changes to the OCS Edge infrastructure to improve the performance of the Web conferences. Which server should you recommend deploying?
A. a Communicator Web Access server
B. a dedicated Web conferencing Edge Server
C. a second Mediation Server

D. an additional Edge Server

Answer: D
Question 127
Your network contains an internal certification authority (CA). You deploy an office Communication Server (OCS) 2007 R2 infrastructure. You plan to deploy web conferencing and audio/video conferencing for Microsoft office communication users. The users will connect to the internal network and will also connect to the network remotely. Some remote users will connect from computers that are members of a workgroup. You need to deploy certificates to support the planned deployment. Your solution must minimize support costs for remote users. What should you do?
A. Deploy a certificate from the internal CA for all Edge server roles.
B. Deploy a publicly trusted wildcard certificate for all Edge server roles.
C. Deploy certificates from the internal CA for the Access Edge and Web Conferencing Edge server roles.Deploy a publicy trusted certificate for the A/V Authentication and the Edge Internal server roles.
D. Deploy a publicly trusted certificate for the Access Edge and Web Conferencing Edge server roles.Deploy a certificate from the internal CA for the A/V Authentication and the Edge Internal server roles.

Answer: D
Question 128
You have an office communication server (OCS) 2007 R2 infrastructure. The network is configured as shown in following table:

All databases for OCS are deployed in the same SQL instance named OCSdb1. You need to review the monitoring server reports for OCS. What should you do?
A. Form Internet Explorer, connect to https://server1/reportserver_ocsdb1
B. Form Internet Explorer, connect to https://server2/reportserver_ocsdb1.
C. From OCS Management Console on server1, open the Performance tab
D. From OCS Management Console on server2, open the Performance tab.


Answer: D
Question 129
You have an office communication server (OCS) 2007 R2 infrastructure. An administrator reports that the normalization rules contain incorrect regular expressions. You need to identify the errors on the regular expressions. What should you use?
A. Deployment validation tool
B. Enterprise voice route Helper
C. Office communication server (OCS) 2007 Best Practice Analyzer
D. Validation wizard

Answer: B
Question 130
Your company has office communication Server 2007 R2 deployed and configured to accept voice calls from a PBX. You need to provide a user with the ability to receive calls from the PSTN by using Microsoft office communication 2007 R2.
A. From the user��s other options, Select the Enable remote user access, and then select the enable federation check boxes.
B. From the user��s telephony options, select the Enable Remote call control check box, and then enter SIP address in the server URI box.
C. From the users Telephony Options, select the enable remote call control check box, and enter the user��s telephone number in the Line URI box.
D. From the user��s telephony options, select the Enable Enterprise voice check box, and then enter the user��s telephone number in the URI.

Answer: D
Question 131
Your company has office communication server (OCS) 2007 R2 deployed. You create a new user account named Admin1. You add Admin1 to the built in domain Admins group. You log on to the OCS server as Admin1. You run the Response Group Configuration Tool and see the screen below


A. Add Admin1 to the RTCUniversalUserAdmins security group.
B. Add Admin1 to the RTCUniversalServerAdmins security group.
C. Restart the OCS Application Host Service on a Front End Server.
D. Restart the OCS Response Group Service on a Front End Server.

Answer: B
Question 132
Your company has a single office. You plan to deploy an office communications server (OCS) 2007 R2 infrastructure. You need to recommend an infrastructure to meet the following requirements:
-Store the OCS SQL database on a seperate server -Support load balancing -Minimize software and hardware costs.
What should you include in your recommendations?

A. Two Enterprise Edition Front End Servers and single pool
B. Two Enterprise Edition Front End Servers and two pools
C. Two standard Edition Front End Servers and two pools
D. Two standard Edition Front End Servers and a single pool

Answer: A
Question 133
You plan to deploy an office Communication Servers (OCS) 2007 R2 web conferencing solution that contains the following components:
-two front end servers in a single pool -two Microsoft sql server 2005 servers in a failover cluster -one mediation server -one media gateway -one hardware load balancer -one PBX
You need to recommend changes to the existing solution to meet the following requirements:
-Provide Web conferencing access for all company users. -Provide Web conferencing access for federated users -Provide access to Web Conferencing if any single server fails
What should you include in your recommendations?
A. An additional mediation server and an additional media gateway
B. Two communicator web Access servers and two hardware load balancers
C. Two Edge Servers and two hardware load balancers
D. Two front end Servers in a new pool

Answer: C
Question 134
You have deployed an office communication Server (OCS) 2007 R2 Front End Server. You plan to deploy a conferencing solution that meets the following requirements:
-Supports audio/video conferencing for internal users and remote users. -Allows internal users to share their slide content with remote users.
Which additional server or server roles should you include in the plan?

A. -Communicator Web access -Mediation server
B. -Edge Server -Mediation server
C. -Communication web access -Microsoft internet security and acceleration (ISA) Servers configured as a reverse proxy
D. -Edge Server -Microsoft internet security and acceleration (ISA) Servers configured as a reverse proxy

Answer: D
Question 135
Your company has office communication Server 2007 R2 deployed and configured to accept voice calls from a PBX. You need to provide a user with the ability to receive calls from the PSTN by using Microsoft office communication 2007 R2.
A. From the user��s other options, Select the Enable remote user access, and then select the enable federation check boxes.
B. From the user��s telephony options, select the Enable Remote call control check box, and then enter SIP address in the server URI box.
C. From the users Telephony Options, select the enable remote call control check box, and enter the user��s telephone number in the Line URI box.
D. From the user��s telephony options, select the Enable Enterprise voice check box, and then enter the user��s telephone number in the URI.

Answer: D
Question 136
You plan to deploy an office communication Servers (OCS) 2007 R2 infrastructure that contains a standard Edition Server and a mediation server. You need to recommend a solution for the planned deployment that meets the following requirements:
-Allows users to dial 11-digit numbers that use the country code 1. -For all 11-digit numbers, automatically replaces the prefix 9 with a + sign.
Which solution should you recommend?
A. -Create a normalization rule that matches the number pattern ^9(1\d{10})$ with a transaction

of +$1 -Assign the location profile containing this rule to all users.
B. -Create a normalization rule that matches the number pattern ^(91\d{10})$ with a transaction of +$1 -Assign the location profile containing this rule to all users.
C. -Create a normalization rule that matches the number pattern ^9(1\d{10})$ with a transaction of +$1 -Assign the location profile containing this rule to the mediation server
D. -Create a normalization rule that matches the number pattern ^(91\d{10})$ with a transaction of +$1 -Assign the location profile containing this rule to the mediation server

Answer: A
Question 137
Your company has an office Communications Server (OCS) 2007 R2 infrastructure. Your company purchased another company named Litware, Inc. Litware has an OCS 2007 infrastructure. All users in both companies run Microsoft office communicator 2007. You plan to configure a federation between the two companies. You need to recommend changes to the firewall in both companies to ensure in your company can initiate federated office communicator calls to users in Litware. Which TCP/IP ports should you allow on the firewalls from both companies?
A. UDP 389 TCP 88 TCP 443
B. UDP 3268 UDP 60000-64000 TCP 60000-64000
C. UDP 3478 UDP 50000-59999 TCP 50000-59999
D. UDP 49152-65535 TCP 53 TCP 49152-65535

Answer: C
Question 138
You have an Office Communications Server (OCS) 2007 R2 infrastructure that contains a single pool, one Front End Server, and one Mediation Server.

You deploy two media gateways. You need to ensure that users can make outbound calls if a media gateway fails. Which additional OCS server should you deploy?
A. a Director server
B. a Front End Server
C. a Mediation Server
D. a Monitoring Server

Answer: C
Question 139
Your company has a single office and 500 employees. You have an Office Communications Server (OCS) 2007 R2 infrastructure that contains a Front End Server, an Edge Server, and a Mediation Server. Recently, you migrated the Web conferencing solution from hosted Live Meeting to on-premise. Users report a lag during Web conferences. You need to recommend changes to the OCS Edge infrastructure to improve the performance of the Web conferences. Which server should you recommend deploying?
A. a Communicator Web Access server
B. a dedicated Web conferencing Edge Server
C. a second Mediation Server
D. an additional Edge Server
Answer: D