642-354

Cisco Storage Networking Support Specialist(CSNSS)


QUESTION NO: 1
After performing the initial switch configuration by running the setup utility, an administrator notices that ports configured to connect to other Cisco MDS 9000 switches invariably come up as E_Ports rather than TE_Ports. Which error was made at initial configuration?
A. Defaultswitchport trunk mode was set to auto.
B. Fullzoneset distribution was not enabled.
C. Defaultswitchport trunk mode was set to on.
D. VSAN capabilities were not enabled.
Answer: A


QUESTION NO: 2
Fabric merge failures are typically caused by which three configuration errors? (Choose three.)
A. unique domain IDs
B. preferred domain IDs
C. connecting ports incorrectly configured as TE
D. incompatibility in the active zone databases
E. incorrect VSAN allow list on ISL
F. VSAN missing from one switch
Answer: D,E,F
QUESTION NO: 3
Inter-VSAN Routing is interoperable with other vendor switches as long as MDS switches are set to inter-op 1 mode. Where in the fabric can the other vendor switches reside for a successful implementation of Inter-VSAN Routing?
A. edge switches
B. remote site switches
C. core switches
D. distribution switches
Answer: A
QUESTION NO: 4

You are looking at the LEDs on an MDS 9500 Supervisor module. If the Status LED is orange, which statement is true?
A. The module is booting or running diagnostics.
B. The module cannot boot because of a corrupted image on the flash.
C. The diagnostic test failed. The module is not operational because a fault occurred.
D. Incompatible power supplies are installed.

Answer: A


QUESTION NO: 5
Refer to the exhibit. In the output of the show interface command, which two statements are correct? (Choose two.)

A. This is aFibre Channel port running at 2 Gbps.
B. This port mode is specific to MDS 9000 switches.
C. This port cannot be attached to any device.
D. This port is in slot 11 in the switch.
E. This port is in multiple VSANs.
Answer: B,C QUESTION NO: 6



When using interop mode on an MDS 9000 switch, what is the Domain ID range?
A. 1 to 97
B. 97 to 127
C. 127 to 239
D. 1 to 127
E. 97 to 239
Answer: B


QUESTION NO: 7
Reference the exhibit. Given the output from the show command in the exhibit, what does the error message indicate is wrong with the configuration?

A. The trunk needs configured VSANs allowed on both sides.
B. The port needs a shut/noshut to become active.
C. Trunk mode has been administratively set to E instead of TE.
D. The port has been incorrectly left in VSAN 1.
Answer: A


QUESTION NO: 8
Inter-VSAN Routing is interoperable with other vendor switches as long as MDS switches are set to inter-op 1 mode. Where in the fabric can the other vendor switches reside for a successful implementation of Inter-VSAN Routing?
A. edge switches

B. remote site switches
C. distribution switches
D. core switches
Answer: A


QUESTION NO: 9
Host1 and Storage1 are in VSAN 10 and have been communicating successfully. An administrator creates and activates an IVR zoneset enabling Host1 and Storage2 to communicate. Unexpectedly, after this new IVR zoneset is activated, Host1 loses connectivity with Storage1.
Why did this happen?

A. The default zone policy in VSAN 10 is set to permit.
B. Standard zones and IVR zones cannot coexist in the same VSAN.
C. Thezoneset distribution policy for VSAN 10 is set to full.
Answer: A


QUESTION NO: 10 DRAG DROP
Drag Drop question


Answer:


QUESTION NO: 11
What is the default policy when defining role-based access for a VSAN?
A. There is no default role policy for a VSAN.
B. Deny
C. Permit
D. Permit only for the default VSAN.
Answer: C


QUESTION NO: 12
An administrator finds the following lines in the running configuration file: interface vsan1 ip address 10.10.10.3 255.255.255.0

no shut
A. a management VSAN on the switch
B. a default gateway for VSAN 1
C. a common IP address to be shared by allGigE ports in VSAN 1
D. the IP address on the management port, placing it in VSAN 1
Answer: A


QUESTION NO: 13
Given a fabric with three different switch vendors, which interop mode must a VSAN be in to interoperate with the other vendor switches?
A. native mode
B. interop mode 1
C. interop mode 2
D. interop mode 3
Answer: B


QUESTION NO: 14
A customer with multiple vendor switches establishes an ISL between a non-Cisco switch and an E_Port on a Cisco MDS 9000 switch.
Which three statements are true about the interop behavior between the two switches? (Choose three.)
A. The non-Cisco switch must have matching FC timers with the VSAN containing theE_Port on the Cisco MDS 9000 Series switch.
B. Exchange-based load balancing is supported in allinterop modes.
C. OnlyE_Ports can be used to connect to non-Cisco MDS switches.
D. Adding another ISL between the switches will allow aPortChannel to be configured for HA.
E. Interop mode affects all VSANs.
F. Interop mode 1 allows full featured communication between all combinations of MDS and non-MDS switches
Answer: A,B,C QUESTION NO: 15


Which two of these items are advantages of configuring static domain IDs? (Choose two.)
A. ensures that persistent FCIDs will not change
B. reduces FSPF link-state updates
C. increases switch throughput
D. enables LUN masking
E. facilitates troubleshooting
Answer: A,E
QUESTION NO: 16
What command would a storage administrator use to determine the number of frames that exit the FC2/6 port?
A. fctrace
B. debugfibrechannel port 2/6
C. showfc 2/6
D. show interface counters brief

Answer: D


QUESTION NO: 17
A customer would like to implement a low-cost traffic engineering solution that provides a primary data path, and a secondary data path that will only be used in the event of a failure in the primary path. Which of these solutions best meets the customer needs?
A. VSAN allowed list pruning
B. FSPF link costs
C. QoS
D. FCC
Answer: B


QUESTION NO: 18
What protocol does Cisco Fabric Manager use to provide continuous health and event monitoring for the Cisco MDS 9000 family of switches?

A. SES
B. WEBM
C. SMI-S
D. SNMP
Answer: D


QUESTION NO: 19
Which three commands will display the members of a particular zone or zones? (Choose three.)
A. switch# showzoneset vsan 1
B. switch# show zone membership
C. switch# show zone statistics
D. switch# show zonevsan 1
E. switch# show zone name Zone1
F. switch# show zone memberpwwn 21:00:00:20:37:9c:48:e5
Answer: A,D,E
QUESTION NO: 20
What are four valid protocols for copying software to the MDS 9000 family switches? (Choose four.)
A. Secure Trivial File Transfer Protocol
B. Trivial File Transfer Protocol
C. File Transfer Protocol
D. Secure Copy Protocol
E. Secure File Transfer Protocol
F. Remote Copy Service
Answer: B,C,D,E

QUESTION NO: 21
A customer has purchased the MDS 9216i with an IPS module. The IPS module is used for FCIP connectivity. Which of these licenses will the customer need to purchase?
A. Enterprise Package with additional SAN extension over IP Package

B. 2 SAN Extension over IP Packages
C. Standard Package
D. SAN Extension over IP Package

Answer: D


QUESTION NO: 22
Which three of these statements are attributes of the Cisco SET? (Choose three.)
A. SET initiators can only communicate with SET targets.
B. SET configuration is persistent.
C. SET requires SAN-OS 2.0 or higher and the SAN Extension IP license.
D. Only SCSI read/write commands are supported.
E. SBCCS and SCSI commands are supported.
Answer: A,C,D
QUESTION NO: 23 DRAG DROP
Drag Drop question

Answer: QUESTION NO: 24



Which two commands will display the control traffic output from Cisco Fabric Analyzer in a particular VSAN? (Choose two.)
A. switch(config)#fcanalyzer local brief display-filter mdshdr.vsan==0x03e7
B. switch(config)#fcanalyzer local brief
C. switch#show fcs ie vsan 999
D. switch(config)fcanalyzer local limit brief
E. switch(config)#fcanalyzer local brief display-filter(mdshdr.vsan==0x01)&&((fc.d_id==\"ff.ff.fe\"\|\|fc.s_is==\"ffcffcfe\"))
Answer: A,E
QUESTION NO: 25
Which two security protocols are supported in the Cisco iSCSI implementation? (Choose two.)
A. IPSec
B. PAP
C. SLAP
D. FC-SP
E. CHAP
Answer: A,E QUESTION NO: 26



An administrator finds these lines in the running configuration file:
interface vsan1 ip address 10.10.10.3 255.255.255.0 no shut
What is the impact of this entry?
A. The entry sets up a common IP address to be shared by allGigE ports in VSAN 1.
B. The entry sets up a default gateway for VSAN 1.
C. The entry creates an interface for IPFC.
D. The entry sets the IP address on the management port and places it in VSAN 1.
Answer: C


QUESTION NO: 27
Which three characteristics does an SD port have? (Choose three.)
A. Port mode cannot be changed if it is being used for a SPAN session.
B. It does not require a device or an analyzer to be physically connected.
C. It allows data traffic in the egress (tx) and ingress (rx) directions.
D. It ignores buffer-to-buffer credits.
Answer: A,B,D
QUESTION NO: 28
Your storage administrator notices that the power LEDs on the Cisco MDS 9509 supervisors are displaying an orange color. What does this color indicate?
A. A sensor in the power supply has discovered a fault that may lead to a power supply failure in the near future.
B. The switch has insufficient power for all modules.
C. The switch has insufficient power and will shut down.
D. There is insufficient power to operate both supervisor modules.
Answer: B QUESTION NO: 29



Reference the exhibit. A customer has configured an FCIP connection between two sites. The customer issues an extended IP ping command to determine path availability, MTU, and round-trip time.
According to the output in the exhibit, which parameter in the extended ping needs adjustment in order to increase the chances of establishing end-to-end connectivity?

A. repeat count
B. nothing, end-to-end connectivity cannot be established
C. timeout in seconds
D. datagram size
Answer: D


QUESTION NO: 30
Using the Cisco Fabric Analyzer, which expression will capture and decode the data traffic in a particular VSAN?
A. switch(config)#fcanalyzer local vsan 10
B. Fabric Analyzer does not capture and decode data traffic.
C. switch(config)# fcanalyzer local brief display-filter(mdshdr.vsan==0x01)&&((fc.d==\"ff.ff.fe\"\|\|fc.s_id==\"ff.ff.fe\"))
D. switch(config)#fcanalyzer local brief display-filter mdshdr.vsan==0x03e7
Answer: B
QUESTION NO: 31

Reference the exhibit. After configuring zones, a server no longer has visibility to the storage devices. No ports show as isolated. The zone set has been activated in the proper VSAN, but the show zoneset active command displays only the pWWN of the server HBA without its associated storage.
What is the probable cause of the storage not being visible?


A. The storagepwwn 20:00:00:e0:69:41:a0:12 was not added to zone-hr by mistake.
B. The serverpwwn 20:00:00:e0:69:41:a0:12 was not added to zone-hr by mistake.
C. A zone name was incorrectly typed as Zone-HR in VSAN 2 and added to ZoneSet1 therefore creating a separate zone containingpwwn 50:00:00:20:37:6f:db:aa.

D. The server 50:00:00:20:37:6f:db:aa was administratively added to Zone-HR invsan 2 by mistake.
Answer: C


QUESTION NO: 32
What two commands must be executed on an MDS 9000 family switch in order to change a dynamically assigned Domain ID 5 to a static Domain ID 10 for VSAN 10? Choose two.
A. switch(config-if)# shut fcdomain 5
B. switch(config-if)# no shut fcdomain 10
C. switch(config)# fcdomain domain 10 static vsan 10
D. switch(config)# fcdomain restart disruptive vsan 10
E. switch(config)# fcdomain restart vsan 10
F. switch(config)# fcdomain domain 10
Answer: C,D
QUESTION NO: 33
A customer has reported performance degradation in the SAN. The system administrator would like to track read-write I/O and LUN use on several devices. The devices are directly connected to various switches and belong to different VSANs. The administrator wants to gather information for the last 72 hours.
Which MDS 9000 tools should the administrator acquire and configure?
A. Fabric Manager, Performance Manager, Cisco Traffic Analyzer, PAA
B. Fabric Manager Server, Performance Manager, Cisco Protocol Analyzer, PAA
C. Fabric Manager, Performance Manager, Cisco Traffic Analyzer, PAA, Fabric Manger Web Services
D. Fabric Manager, Fabric Manager Server License, Fabric Manager Web Services, Performance Manager, Cisco Traffic Analyzer, PAA
Answer: D
QUESTION NO: 34
Which two of these logging statements are true? (Choose two.)

A. Go to logs >syslog > setup in Device Manager to view the local accounting log.
B. Syslog message level 7 is most urgent and level 0 is least urgent, whereas the Call Home message level 9 is most urgent and level 0 is least urgent.
C. Call Home message level 0 is most urgent and level 7 is least urgent, whereas thesyslog level 9 is most urgent and level 0 is least urgent.
D. Syslog message level 0 is most urgent and level 7 is least urgent, whereas the Call Home message level 9 is most urgent and level 0 is least urgent.
E. Accounting logs can be stored locally and sent to remote AAA servers.
Answer: D,E

QUESTION NO: 35
Which of these Cisco Fabric Manager debugging tools can compare the current configuration with a previously saved configuration file?
A. End-to-End Connectivity Analysis
B. Fabric Configuration Analysis
C. Zone Merge Analysis
D. Switch Health Analysis

Answer: B


QUESTION NO: 36
Issuing the show role command to check a defined role in an MDS 9000 Series switch will produce the following output:
Role : Manage VSAN Description : vsan policy : deny Permitted vsans : 2-4
Rule Type Command-type Feature
1.
permit config *

2.
deny config fspf

3.
permit debug zone

4.
permit exec fcping


Which of the following two functions can a user with role Manage undertake? (Choose two.)
A. issue a debug command for a port

B. configure zoning for all VSANs
C. configure FC port parameters for VSAN 3
D. changefspf parameters
E. check connectivity for VSAN 2
Answer: C,E
QUESTION NO: 37
Which two of these commands display the full zone database on the local switch? (Choose two.)
A. show zone active
B. showzoneset
C. show zone
D. show activezoneset
E. showzoneset active
Answer: B,C
QUESTION NO: 38 DRAG DROP
Drag Drop question

Answer: QUESTION NO: 39




A customer needs support for their mainframe application that uses SBCCS. Which of these protocols specifically addresses this need?
A. FCIP
B. FICON
C. iSCSI
D. IP
E. Fibre Channel
Answer: B


QUESTION NO: 40
A customer wants to prioritize only traffic going from pWWN 23:15:00:05:30:00:2a:1f to FCID 0x12ee00. Which set of commands will classify the appropriate traffic?
A. switch(config)# qos enable switch(config)# qos class-map MyClass switch(config-cmap)# match source-wwn 23:15:00:05:30:00:2a:1f switch(config-cmap)# match destination-address 0x12ee00
B. switch(config)# qos enable switch(config)# qos class-map MyClass switch(config)# qos class-map MyClass match-all switch(config-cmap)# match destination-address 0x12ee00
C. switch(config)# qos enable switch(config)# qos class-map MyClass switch(config)# qos class-map MyClass match-any switch(config-cmap)# match source-wwn 23:15:00:05:30:00:2a:1f switch(config-cmap)# match destination-address 0x12ee00
D. switch(config)# qos enable switch(config)# qos class-map MyClass switch(config)# qos class-map MyClass match-all switch(config-cmap)# match destination-wwn 23:15:00:05:30:00:2a:1f switch(config-cmap)# match destination-address 0x12ee00

Answer: D


QUESTION NO: 41
The MDS 9000 family switches use what three technologies to protect against unauthorized management access? (Choose three.)
A. SSH
B. SES
C. WEBM
D. RMON
E. SNMPv3
F. RBAC
Answer: A,E,F
QUESTION NO: 42
The Cisco Traffic Analyzer is required to gather historical data for what type of information?
A. Class F traffic
B. FC framing errors
C. Class 2 errors
D. SCSI session data
Answer: D


QUESTION NO: 43
ich three options allow or enable nondisruptive upgrades? (Choose three.)
A. IPS module software upgrades
B. dual supervisor modules on a Cisco MDS 9500 Series switch
C. using the install-all command
D. installing a license
E. upgrading the loader
F. using the reload command
Answer: B,C,D QUESTION NO: 44


A customer wants to disable CHAP authentication for a specific interface. Which command or commands should be issued?
A. switch(config)# interface iscsi 2/1 switch(config-if)# iscsi authentication none
B. switch(config)# interface mgmt0 switch(config-if)# iscsi authentication none
C. switch(config)# interface fc2/1 switch(config-if)# iscsi authentication none
D. switch(config)# interface gig 2/1 switch(config-if)# iscsi authentication none
Answer: D


QUESTION NO: 45
Consider the ACL applied to a GigE 2/3 on a Cisco MDS switch. What happens to traffic that does not match any of the rules?

A. The ACL is invalid and will not be accepted, and as a result the traffic will be allowed to pass.
B. The traffic is not allowed to pass through the interface because there is an implicit deny applied.
C. The traffic is allowed to pass through the interface because there is an implicit permit applied.
Answer: B


QUESTION NO: 46
A proposed SAN design does not give the customer enough throughput between Cisco switches. The customer is familiar with the concept of aggregating links, therefore the Cisco SAN engineer proposes configuring PortChannels.

What is the maximum number of interfaces that can be configured into a PortChannel per switch
(x)
and the maximum number of PortChannels per switch (y) supported by the Cisco MDS 9000 Family of switches?

A.
x=10, y=256

B.
x=16, y=112

C.
x=2, y=32

D.
x=8, y=128


Answer: B


QUESTION NO: 47
Refer to the exhibit. Each link shown is a 16-port PortChannel. What are the problems with the design?

A. unpredictable hop count
B. inherent oversubscription of ISLs
C. low percentage of usable ports
D. requires director-class switches for reliability

Answer: C


QUESTION NO: 48
A customer is having performance problems in their SAN. The customer has multiple physical fabrics and would like to track and compare the device read-write I/O and LUN use for the last seven days. Which group of MDS 9000 tools should the customer acquire and configure?
A. Cisco Fabric Manager Server, Cisco Performance Manager, Cisco Protocol Analyzer, PAA
B. Cisco Fabric Manager, Cisco Performance Manager, Cisco Traffic Analyzer
C. Cisco Fabric Manager, Cisco Performance Manager, Cisco Traffic Analyzer, PAA
D. Cisco Fabric Manager Server and Fabric Manager Server License, Cisco Performance Manager, Cisco Traffic Analyzer, PAA
Answer: D


QUESTION NO: 49
Reference the exhibit. Which option from the Tools menu in the above exhibit would you select to verify connectivity and latency to a Fibre Channel end device?

A. End to End Connectivity
B. Ping
C. Traceroute
D. Switch Health
E. Fabric Configuration

Answer: B


QUESTION NO: 50
Which of these applications would be better suited for SAN rather than NAS deployment?
A. database
B. source code control system
C. office productivity suite
D. e-mail
Answer: A


QUESTION NO: 51
Your Cisco MDS director has 224 Fibre Channel ports and two power supplies running with 110 VAC. Which of the following may occur if one power supply fails?
A. The switch shuts down after a five-minute grace period.
B. Insufficient power is available to operate all modules, so some will be shut down.
C. The standby supervisor shuts down.
D. The switch shuts down immediately.
Answer: B


QUESTION NO: 52
Which of these modules performs hardware compression using Mode 1?
A. IPS-8
B. Supervisor Module
C. IPS-4
D. MPS-14/2 module
E. SSM
Answer: D


QUESTION NO: 53
Which of these tasks must be accomplished to successfully perform the initial installation of a Cisco MDS switch?

A. Enable the SSH or Telnet service.
B. Assign a read-write SNMP community string.
C. Assign a read-only SNMP community string.
D. Set thezoneset distribution policy.
E. Define an NTP server.
Answer: D


QUESTION NO: 54
You have been asked to configure a Cisco MDS switch (Switch 4) and add it to an existing MDS network, connecting directly into Switch 3. Your new switch will be joining a production network running mission-critical applications, so you have been asked to make sure that there are no network disruptions and that the new switch joins the existing fabric without any segmentation issues.
Which three of these steps should you perform? (Choose three.)
A. Ensure thatsrc-id/dst-id/oxid FSPF load balancing is configured.
B. Run the Zone Merge utility to ensure that no zone merge conflicts will isolate the link.
C. Enable Cisco Fabric Services, because this set of features prevents link isolation.
D. Disable FC domain auto-reconfigure on Switch 3.
E. View the existing domain IDs and statically assign a unique domain ID to your switch
F. Turn on RCF reject on Switch 4.
Answer: B,D,E
QUESTION NO: 55
Your company has a multiswitch fabric including Switch A and Switch B. An administrator of Switch A creates the following zoneset and successfully activates it:
zoneset name ZoneSet1 vsan 1 zone name Zone1 vsan 1 pwwn 21:01:00:e0:8b:3c:03:b6 pwwn 21:01:00:e0:8b:3c:55:bb
Later in the day a second administrator creates the following zone set on Switch B:
zoneset name ZoneSet2 vsan 1 zone name Zone1 vsan 1 pwwn 21:01:00:e0:8b:3c:03:b6 pwwn 21:01:00:e0:8b:3c:55:aa

What happens when the administrator of Switch B attempts to activate ZoneSet2?
A. The fabric segments andZoneSet 1 remain the active zone set for Switch B, while ZoneSet 2 becomes the active zoneset for Switch A.
B. The fabric segments and ZoneSet2 become the activezoneset for Switch B only.
C. ZoneSet2 becomes the activezoneset for both Switches A and B.
D. The fabric segments andZoneSet 2 become the active zoneset for Switch A only.

Answer: C


QUESTION NO: 56
When configuring FCIP, packet fragmentation should be avoided in order to achieve optimal throughput. Fragmentation can be avoided by knowing which of the following?
A. smallest MTU in the path
B. largest MTU in the path
C. MTU of the destination IP interface
D. MTU of the source IP interface
Answer: A


QUESTION NO: 57
When installing the Port Analyzer Adapter, how do you connect the Fibre Channel port to the MDS switch?
A. single-mode fiber and SC to LC connector
B. multimode fiber and LC to LC connector
C. multimode fiber and SC to LC connector
D. single-mode fiber and LC to LC connector
Answer: B


QUESTION NO: 58
You have been asked to convert three existing ISLs into a PortChannel as nondisruptively as possible. Which approach will best accomplish this?


A. Ensure that the VSAN allowed lists on both ends of each link are identically configured, then create the three-linkPortChannel.
B. Place one link into a single-linkPortChannel and then add the other two links to the PortChannel.
C. Convert the ISLs into an EISL and then place them into aPortChannel.
D. Place all three ISLs into aPortChannel, because PortChannel creation is a nondisruptive operation.
Answer: B


QUESTION NO: 59
A customer has just replaced their third-party storage switches with Cisco MDS switches. They have noticed that the HP-UX hosts on their network lose connectivity to storage whenever their switches are rebooted. Which Cisco MDS feature will solve this problem?
A. LUN mapping
B. VSANs
C. entire area FCID allocation
D. FCID persistence
Answer: D


QUESTION NO: 60
When creating an Inter-VSAN routing topology, which type of World Wide Name (WWN) must be used?

A. Fabric Port WWN
B. Port WWN
C. Switch WWN
D. VSAN WWN
Answer: C


QUESTION NO: 61
While attempting to add a new Fibre Channel device to port fc7/31, the link fails to initialize. Entering the command show interface fc7/31 returns the following output: fc7/31 is down (Fcot not present). What is the best troubleshooting choice?
A. Verify optical fiber continuity with an optical tester.
B. Verify SFP functionality by reseating or replacing.
C. Verify speed configuration on the switch port.
D. Verify optical fiber matched with laser type (ex. multimode fiber for shortwave laser and single mode fiber forlongwave laser).
E. Verify switch port type is valid for device type.
Answer: B


QUESTION NO: 62
You have been asked to implement a security policy that will reduce the potential of unauthorized access to the fabric by WWN spoofing. Which security feature was designed to address this threat?
A. DH-CHAP
B. port security
C. port mode security
D. port-based zoning
E. FCSP
Answer: B

QUESTION NO: 63
Which three characteristics does an SD port have? (Choose three.)
A. It allows data traffic in the egress (tx) and ingress (rx) directions.

B. It does not require a device or an analyzer to be physically connected.
C. It ignores buffer-to-buffer credits.
D. Port mode cannot be changed if it is being used for a SPAN session.
Answer: B,C,D
QUESTION NO: 64
You have been asked to install a Cisco MDS switch for your company. If you accept all installation defaults, which of these will occur?
A. default port state: no shut default zone policy: deny
B. default port state: shut default zone policy: deny
C. default port state: no shut default zone policy: permit
D. default port state: shut default zone policy: permit

Answer: B


QUESTION NO: 65
Which four protocols does the Traffic Analyzer support? (Choose four.)
A. SW_ILS
B. FC-SP
C. FCIP
D. extended link services
E. SCSI
F. GS-3
Answer: A,D,E,F
QUESTION NO: 66 DRAG DROP
Match the troubleshooting SAN-OS command with its corresponding output,You may not use all options.


Answer:



QUESTION NO: 67
Refer to the exhibit. Which of the following statements is true?

A. All users belonging to thesangroup role to perform all configuration commands except fspf commands because it does not matter what order the rules are entered.
B. The configuration is not valid because rules are entered at the switch (config-role-vsan)# level.
C. All users belonging to thesangroup role are allowed to perform all configuration commands except fspf commands because the deny config feature fspf is listed first.
D. All users are allowed to perform all configuration commands because the permitconfig command is listed last and that will globally override all other rules.

Answer: D


QUESTION NO: 68
A customer wants to set up a SPAN tunnel between switch A and switch B. Which three of the following configuration requirements are needed to establish a SPAN tunnel between switches A and B? (Choose three.)
A. A minimum of two links must be configured between switch A and switch B.
B. Trunking must be enabled between switch A and switch B.
C. IP routing must be enabled on each switch.
D. APortChannel must be configured between switch A and switch B.
E. A minimum of two VSANs must be active on each switch.
F. VSAN interfaces must be configured.
Answer: B,C,F
QUESTION NO: 69
Refer to the above exhibit. The show environment power command displays the output shown in the exhibit. Given PS 1 (Power Supply 1, 1000 watts) and PS 2 (Power Supply 2, 1200 watts), which mode and power supply will satisfy the power needs of the Cisco MDS 9509?

A. redundant, PS 1 and PS 2
B. redundant, PS 2
C. redundant, PS 1
D. combined, PS 1

Answer: C


QUESTION NO: 70
You have set up a session to the SD port to enable the investigation of a problem on a particular FC port. You need to check whether this has been correctly set up for the desired port. What command should you use?

A. showtlport
B. showssh
C. show span session
D. showfcanalyzer
Answer: C


QUESTION NO: 71 DRAG DROP
Drag the backup technology on the left to its respective definition on the right.

Answer:


QUESTION NO: 72
Which troubleshooting tool uses RDL and helps isolate problem points across trunking-enabled EISL and ISL ports?

A. FC Ping
B. traceroute
C. RMON
D. SPAN
Answer: A


QUESTION NO: 73
Your company has deployed a Cisco MDS 9216i, with the optional slot populated with a 16-port line card. Which two of these FCIP security mechanisms can be provided by the switch? (Choose two.)
A. LUN masking
B. VLANtrunking
C. LUN mapping
D. IPSec encryption
Answer: B,D
QUESTION NO: 74
While attempting to merge two fabrics together with an E_port connection, the ISL fails to initialize. Entering show interface fc2/14 returns the following: fc2/14 is down (Isolation due to ELP failure). What are two valid troubleshooting strategies? (Choose two.)
A. VerifyRxbuffer size match on both ends of ISL.
B. Check domain IDs on each side of ISL to ensure they are unique.
C. Use showfctimer command to verify correct timer settings on each fabric.
D. Use Fabric Manager to verify active zone set is identical on both switches.
Answer: A,C


QUESTION NO: 75
Which three of these scenarios allow Write Acceleration configuration? (Choose three.)
A. using the Cisco MDS 9216i switch with the standard package license
B. using a Cisco MDS switch with an FCIP interface in a FICON VSAN
C. using the Cisco MDS 9120 switch with the SAN extension license for FCIP Write Acceleration
D. using an SSM in an FCIP configuration with the initiator and target devices directly attached E. using the Cisco MDS 9120 switch with the standard package license forFibre Channel Write Acceleration

F. using the Cisco MDS 9216i with an FCIP port as part of aPortChannel (SAN-OS Release 2.0)
Answer: A,D,F
QUESTION NO: 76
The system administrator receives the following message: "Error disabled - Possible port channel misconfiguration". What three things should the administrator verify in the PortChannel configuration? (Choose three.)
A. There are no more than 32 links aggregated together to form thePortChannel.
B. Each ISL interface belongs to the same VSAN.
C. Links in thePortChannel were not changed after the PortChannel was configured.
D. Each switch on either side of thePortChannel is connected to the same number of interfaces.
E. The ports on the switch configured in thePortChannel are on the same switching module.
Answer: B,C,D

QUESTION NO: 77
What protocol can be used in a multivendor environment to enable greater bandwidth between a Cisco MDS 9000 switch in interop mode and another vendor FC switch?
A. port channel
B. RDL
C. FCC
D. FSPF
Answer: D


QUESTION NO: 78
Which two of these environments suggest the use of FCIP Write Acceleration? (Choose two.)
A. applications that support multiple outstanding I/Os
B. remote tape backup
C. DWDM links
D. PortChannel links between sites
E. fast network with minimal delays

Answer: A,D
QUESTION NO: 79
A role to permit operations in multiple VSANs has been created for a VSAN administrator. Which of the following is correct?
A. The VSAN administrator can change VSAN membership of F or FL ports among these VSANs.
B. It does not matter what role or permissions have been configured for the administrator. Port membership cannot be changed without first removing the ports from the membership of the associated VSANs.
C. It does not matter what role or permissions have been configured for the administrator. Any port type can be changed without removing the ports from the membership of the associated VSANs.

Answer: A


QUESTION NO: 80
If FCIP encryption and compression are both required, which of these sets of statements is true?
A. The sender should encrypt the data and then compress it. The receiver should uncompress the data and then decrypt it.
B. The sender should compress the data and then encrypt it. The receiver should uncompress the data and then decrypt it.
C. The sender should compress the data and then encrypt it. The receiver should decrypt the data and then uncompress it.
D. The sender should encrypt the data and then compress it. The receiver should decrypt the data and then uncompress it.
Answer: C
QUESTION NO: 81 DRAG DROP
Drag Drop question


Answer:


QUESTION NO: 82
Which three CLI commands can be used to view remaining buffer-to-buffer credits? (Choose three.)
A. show interfacefc x/y counters
B. show interfacefc x/y brief
C. show interfacefc x/y flow-control
D. show interfacefc x/y bbcredit
E. show interfacefc x/y
Answer: A,D,E QUESTION NO: 83


What MDS feature can be used to notify an administrator or call center that a serious event has occurred in the fabric?
A. FCC
B. FLOGI
C. Logging
D. SPAN
E. Call Home
Answer: E


QUESTION NO: 84
Which two of these procedures should you perform to troubleshoot connectivity between a Microsoft Windows host and its SAN-attached storage? (Choose two.)
A. Convert all file systems to NTFS format.
B. Check the Windows Disk Manager to verify that storage is visible.
C. Ensure that the HBA supports both 1- and 2-gigabit speeds.
D. Check the Cisco Device Manager to verify that the HBA link is up.
Answer: B,D
QUESTION NO: 85
Which command will send system messages to a remote syslog server?
A. switch(config)# logging /var/log/logfile
B. switch(config)# logging server 192.168.0.198 facility SANlog
C. switch(config)# logging 192.168.0.198 logfile SANlog
D. switch# copylog:SANlog volatile:log.txt

Answer: B


QUESTION NO: 86
An administrator reviews the running configuration of a switch that a junior administrator has prepared to be placed in a heterogeneous SAN environment. This environment includes three different brands of Fibre Channel switches. In this particular environment, only VSAN 1 is being used.

Which of these attributes suggests that the switch has not been properly configured?
A. A static domain ID has been set to 0x21.
B. Interop mode 3 has been selected.
C. FCC has been enabled.
D. src-dst-ox load balancing has been selected.
Answer: A
QUESTION NO: 87 DRAG DROP
Drag the TCP/IP configuration command on the left to the appropriate result on the right.

Answer: QUESTION NO: 88




Refer to the exhibit. Given the Cisco Fabric Manager output, which of these problems might occur if no zoning is configured?

A. Device security enforced by switch zoning will not occur.
B. There will be VSAN isolation on EISLs.
C. No end devices will be able to communicate.
D. Zone merges with other MDS switches will fail.
Answer: C


QUESTION NO: 89
When connecting a Port Analyzer Adapter to an MDS 9000 family switch, the Fibre Channel port on the MDS side is configured as?
A. SD_Port: SPAN destination port
B. TL_Port: Translative Loop Port
C. TE_Port: Trunking E_Port
D. Fx_Port: operates in either F_Port or FL_Port mode
Answer: A


QUESTION NO: 90
Your company is planning a SAN deployment using Fibre Channel connections from a central, highly secure data center to several less secure branch offices. Which of these security features would allow you to disable all branch office switch management ports and yet still maintain the complete suite of TCP/IP-based SAN management utilities?
A. Overlay VSAN
B. Port Security

C. IPSec
D. Port Mode Security
Answer: A


QUESTION NO: 91
What three steps must you complete before configuring Inter-VSAN Routing? (Choose three.)
A. Enable FSPF
B. Enable a routing protocol.
C. Configure unique domain IDs across all VSANs and switches used in IVR operations.
D. Obtain an enterprise license package.
E. Configure IVR only on relevant border switches.
Answer: C,D,E
QUESTION NO: 92
A system administrator has just connected two switches. The administrator configured identical values for the following items on both switches. Which of these items is most likely the cause of fabric isolation?
A. domain ID
B. timeout values
C. interface types
D. port speeds
E. VSAN_ID
Answer: A


QUESTION NO: 93
Choose the correct list of tasks to configure Remote Spanning.
A. Create a VSAN interface. Enable aFibre Channel tunnel. Initiate the Fibre Channel tunnel. Configure the ST_Port in the destination switch. Configure the SD_Port in the source switch. Configure an RSPAN session in the source switch.
B. Create a VSAN interface. Enable aFibre Channel tunnel. Initiate the Fibre Channel tunnel. Configure the ST_Port in the source switch. Configure the SD_Port in the destination switch. Configure an RSPAN session in the source switch.

C. Create a VSAN interface. Enable aFibre Channel tunnel. Initiate the Fibre Channel tunnel. Configure the ST_Port in the source switch. Configure the SD_Port in the destination switch. Configure a SPAN session in the source switch.
D. Create an RSPAN interface. Enable aFibre Channel tunnel. Initiate the Fibre Channel tunnel. Configure the SD_Port in the destination switch. Configure the ST_Port in the source switch. Configure an RSPAN session in the source switch.
Answer: B


QUESTION NO: 94
Which MDS 9000 feature is defined by a standard specification that enables various network monitors and console systems to exchange network-monitoring data?
A. POST
B. SNMP
C. RMON
D. SNMPv3
Answer: C


QUESTION NO: 95
Which of these is an appropriate use for the SAN extension tuner?
A. automatically adjust FCIP parameters to improve tunnel performance
B. determine the average number of I/Os in an active FCIP tunnel
C. determine the number of outstanding I/Os needed to maximize FCIP throughput
D. determine the number of outstanding I/Os currently used in an active FCIP tunnel
E. report the maximum size of packets for optimized FCIP tunnels
Answer: C

QUESTION NO: 96
Which three of these upper-level protocols are supported by FC-4? (Choose three.)
A. SBCCS
B. OSPF
C. CDP
D. SCSI

E. HIPPI
F. PPTP
Answer: A,D,E
QUESTION NO: 97
Refer to the exhibit. When a VSAN is deleted where do its port members get transferred?

A. vsan 4094
B. vsan 100
C. vsan 2
D. vsan 1

Answer: A


QUESTION NO: 98

What is the result of entering the command: switch (config-role-vsan)# permit vsan 15-20?
A. The command removes permission for all VSANs in this role.
B. It is not a valid command since the command must be entered at the switch (config-role-policy-vsan)# level.
C. The command adds the permission for this role to perform commands for VSANs 15 through
20. All other configured VSANs in this role would be denied.
D. The command removes the permission for this role to perform commands or VSANs 15 and 20. All other configured VSANs in this role would be permitted.
Answer: C


QUESTION NO: 99
A Fibre Channel Analyzer is capturing ingress traffic from a server HBA. The HBA is connected to interface fc3/1 on a local switch (S1). The Fibre Channel Analyzer is connected to a port on a remote switch (S2).
Which interface type on switch S2 allows the Fiber Channel Analyzer to connect and receive the RSPAN traffic?
A. SD_Port
B. TE_Port
C. ST_Port
D. SE_Port
Answer: A

QUESTION NO: 100
Which three types of network statistics can be created with the Traffic Analyzer? (Choose three.)
A. Tx/Rx bandwidth per N_Port
B. total bandwidth used
C. Tx/Rx bandwidth per VSAN
D. per-LUN statistics
E. class-based traffic breakdown
Answer: A,B,C QUESTION NO: 101


In order to allow access to a switch using Telnet, which three settings should be configured during the initial setup of a Cisco 9000 Series switch using SAN-OS Release 2.0? (Choose three.)
A. accept auto for theswitchport trunk mode
B. assign an admin password
C. configure the IP address for the VSAN 1 interface
D. Configure SSH with an RSA1 key
E. configure the IP address for the Mgmt0 interface
F. configure thenetmask for the IP address
Answer: B,E,F
QUESTION NO: 102
Which two of these features are characteristic of out-of-band management for the Cisco MDS 9000 Series switches? (Choose two.)
A. FCIP
B. logical interface VSAN 1
C. IPFC
D. CUP management of the switch for FICON
E. configuration during the initial switch setup
F. 10/100 Ethernet connection
Answer: E,F
QUESTION NO: 103 DRAG DROP
Drag Drop question


Answer:



QUESTION NO: 104
Which license is required on switches that are going to implement LUN zoning?
A. Fabric Manager Server license
B. Storage Services Enabler
C. SAN Extension over IP license
D. Enterprise license
Answer: D

QUESTION NO: 105

Reference the exhibit. A customer has lost communication with a host. The customer enters the show interface command for the port with the host connection. Given the output from the show interface command in the above exhibit, which steps should the customer perform to continue troubleshooting the port?

A. switch# showflogi database if the port does not appear in the FLOGI database switch# debug fcns events register vsan 99 switch(config-if)# shutdown switch(config-if)# no shutdown
B. switch# show environment if the port does not appear in the output switch# debugfcns events register vsan 99 switch(config-if)# shutdown switch(config-if)# no shutdown
C. switch# showflogi database vsan 200 if the port does not appear in VSAN 200 switch(config-if)# shutdown switch(config-if)# no shutdown
D. switch # showvsan membership if the port does not appear in a VSAN switch(config-if)# shutdown switch(config-if)# no shutdown
Answer: A


QUESTION NO: 106
Which three command options does Call Home support? (Choose three.)
A. short-txt-destination
B. HTML-destination
C. XML-destination
D. full-txt-destination
Answer: A,C,D QUESTION NO: 107 DRAG DROP


A system administrator suspects possible host/device connectivity problems.The show interface command displays the fc1/5 interface in VSAN 200 as Administratively Down. Drag and drop the next troubleshooting commands the administrator should enter in order from top to bottom.

Answer:


QUESTION NO: 108
Which three statements describe automatically supported, basic zone features (no additional configuration required) in the Cisco MDS 9000 Family of switches? (Choose three.)
A. Zone reactivation can disrupt existing traffic.
B. Active zone sets are preserved across switch reboots.
C. A VSAN contains the zone sets.
D. Hard zoning can be disabled.
E. Default zoning behavior is to distribute the Full Zone Database.
F. A zone or zone set with the same name can exist in each VSAN.
Answer: B,C,F
QUESTION NO: 109

What features can be enabled to remotely monitor an MDS fabric?
A. Radius
B. Port Analyzer Adapter
C. Call Home
D. Syslog
E. SNMP
Answer: C,D,E

QUESTION NO: 110
During a code upgrade on an MDS 9500 switch, the upgrade process failed on one of the supervisors because the current flash images could not be copied from the active to the standby supervisor. What possible workaround can the storage administrator execute to correct this error?
A. Add DRAM memory to both the active and standby supervisors.
B. Execute a show log command to check thesyslog files for details on the error.
C. Reboot the switch, enterrommon mode, and manually push the original image to both supervisors.
D. Delete unused files on second supervisor and repeat the install.

Answer: D


QUESTION NO: 111
The Call Home feature provides what type of notification when critical events occur?
A. SNMP
B. e-mail
C. PBX
D. syslog
Answer: B


QUESTION NO: 112
Refer to the exhibit. Which three statements can you derive from the Summary View in Device Manager? (Choose three.)


A. Check the Host 2, Host, 3 and Host 4 can communicate with S1
B. Ports 1 and 2 belong toPortChannel 2 and are connected to ports on switch 10.10.2.19.
C. Ports 3 and 4 belong toPortChannel 4 and are connected to ports on switch 10.10.1.29.
D. Interface fc3/17 is connected to a loop device.
E. This is a Cisco MDS 9216 switch.
F. The 10.10.2.19 switch is the local switch.
Answer: B,C,D
QUESTION NO: 113
Which of these utilities provides the ability to configure and manage zones on a Cisco MDS switch?
A. Cisco Performance Manager
B. Cisco Device Manager
C. Cisco Traffic Analyzer
D. Cisco Fabric Manager

Answer: D


QUESTION NO: 114
A host is unable to access the storage network after its HBA is replaced. Which of these switch configurations could be preventing access?
A. port-based zoning
B. port-mode security
C. port security
D. port VSAN membership
Answer: C QUESTION NO: 115


Which three of these terms are valid Fibre Channel topologies? (Choose three.)
A. switched backbone
B. switched fabric
C. arbitrated loop
D. autonomous region
E. Gigabit Ethernet
F. point-to-point
Answer: B,C,F
QUESTION NO: 116 DRAG DROP
Drag Drop question

Answer:



QUESTION NO: 117
You suspect that one of the four VSANs in your fabric is segmented on PortChannel 12. Which of the following commands will show the link isolation?


A. showvsan membership
B. show interface brief
C. showcfs
D. show interface port-channel 12
Answer: D


QUESTION NO: 118
The HBA on your storage server only supports the NL FC mode. Which interface type on the MDS 9000 Series fabric switches can support this HBA?
A. FL
B. SD
C. N
D. TE
E. ST
Answer: A


QUESTION NO: 119
Refer to the exhibit. Host H1 cannot communicate with Storage S1 in VSAN 200, but Host H4 can communicate with

Storage S4. Which three of these configurations or connections should you verify? (Choose three.)

A. The FSPF costs on Port Channel 1 and Port Channel 2 are equal.
B. The link cost for PC1
C. Check cabling between Host H1 and Storage S1.
D. TE ports on links between both Cisco MDS 9216 switches and the Cisco MDS 9509 allow VSAN 200.
E. The administrative state of the Host H1 interface on Cisco MDS 9216_1a is Active
F. The VSAN 200 membership includes Host H1pWWN 20:06:00:0b:fd:60:6a:c0 and Storage S1 pWWN 20:02:00:60:46:18:0a:91.
Answer: C,E,F
QUESTION NO: 120 DRAG DROP
Drag Drop question


Answer:


QUESTION NO: 121
What is the proper command to check the membership of all VSANs configured on an MDS Series switch?
A. showvsan
B. showvsan usage
C. show membersvsan all
D. showvsan membership
Answer: D


QUESTION NO: 122
Before Call Home can be enabled, which four parameters must be configured? (Choose four.)
A. interop mode
B. contact person's e-mail address
C. street address
D. contact person's name (sysContact)
E. contact person's phone number
F. syslog server address
Answer: B,C,D,E QUESTION NO: 123


Which four statistics can be generated with the Traffic Analyzer? (Choose four.)
A. CPU load statistics
B. session-based statistics
C. N_Port-based statistics
D. overall network statistics
E. FC framing errors ASIC utilization statistics
F. VSAN-based statistics
Answer: B,C,D,F
QUESTION NO: 124
An administrator finds the following lines in the running configuration file: interface vsan1 ip address 10.10.10.3 255.255.255.0 no shut
A. a default gateway for VSAN 1
B. a management VSAN on the switch
C. the IP address on the management port, placing it in VSAN 1
D. a common IP address to be shared by allGigE ports in VSAN 1

Answer: B


QUESTION NO: 125
An administrator determines that Sender 1 is generating traffic faster than Receiver 1 can process it. To reduce the amount of traffic entering the fabric, the administrator turns on FCC on both switches. What will be the effect of this action if Switch 2 detects congestion caused by excessive traffic being sent from Sender 1 to Receiver 1?


A. There will be no effect because FCC quench messages are only sent acrossTE_Ports and EISLs.
B. Switch 1 will temporarily shut down fc1/3.
C. Switch 2 will send a quench message to Switch 1, which will useFibre Channel flow control to reduce ingress traffic at fc1/3.
D. No effect will take place because FCC is only effective if the sender and receiver are on the same switch.
Answer: A


QUESTION NO: 126
Which command is used to display the list of hosts configured for Fabric Analyzer remote capture?
A. showfcanalyzer
B. showfcanalyzer remote list
C. show remotefcanalyzer
D. clearfcanalzyer
Answer: A


QUESTION NO: 127
The MDS 9000 family switches use what three technologies to protect against unauthorized management access? (Choose three.)
A. WEBM
B. SNMPv3
C. SSH
D. RBAC
E. SES

F. RMON
Answer: B,C,D
QUESTION NO: 128 DRAG DROP
Drag the Cisco analysis tool on the left to its appropriate description on the right.

Answer:



QUESTION NO: 129
For purposes of granting restricted access to statically configure iSCSI virtual targets, which three of these can be used to identify iSCSI initiators? (Choose three.)
A. IP subnet
B. host name

C. iSCSI name
D. iSCSI WWN
E. IP address
F. MAC address
Answer: A,C,E
QUESTION NO: 130 DRAG DROP
Drag Drop question

Answer:



QUESTION NO: 131
Switch 1 is configured to use the RADIUS server for authentication. Switch 2 is configured to use Switch 2 for authentication. Neither switch is configured to use local authentication. What will happen if neither AAA server is reachable?


A. Both Switch 1 and Switch 2 will attempt local authentication.
B. Switch 1 will try to authenticate locally, Switch 2 will not attempt local authentication.
C. Switch 1 will not try to authenticate locally, Switch 2 will attempt local authentication.
D. Neither switch will attempt local authentication.
Answer: A


QUESTION NO: 132
Which services are supported by a Cisco SAN-OS AAA configuration?
A. FC-SP authentication, FM and DM logins, TFTP
B. console login, FC-SP authentication, FTP
C. iSCSI authentication, FTP, FC-SP authentication
D. Telnet, SSH, FM and DM logins
Answer: D


QUESTION NO: 133
Which tool is used to diagnose protocol errors, credit starvation, and malformed or nonstandard compliant frames or primitives on a Fibre Channel network?

A. Port Analyzer Adapter
B. Fabric Manager
C. Fabric Analyzer
D. externalFibre Channel Protocol Analyzer
Answer: D


QUESTION NO: 134
What two commands must be executed on an MDS 9000 family switch in order to change a dynamically assigned Domain ID 5 to a static Domain ID 10 for VSAN 10? Choose two.
A. switch(config-if)# shut fcdomain 5
B. switch(config)# fcdomain restart disruptive vsan 10
C. switch(config-if)# no shut fcdomain 10
D. switch(config)# fcdomain domain 10 static vsan 10
E. switch(config)# fcdomain restart vsan 10
Answer: B,D
QUESTION NO: 135
Which three CLI commands can be used to view remaining buffer-to-buffer credits? (Choose three.)
A. show interfacefc x/y counters
B. show interfacefc x/y
C. show interfacefc x/y bbcredit
D. show interfacefc x/y flow-control
E. show interfacefc x/y brief
Answer: A,B,C

QUESTION NO: 136
You are attempting to connect a new host to the fabric, but the Fx port fails to initialize. Entering the command show interface fc7/31 returns the following: fc7/31 is down (Link_Failure or not connected). What are three valid troubleshooting strategies? (Choose three.)
A. use Fabric Analyzer to verify FLOGI fromE_port
B. use showfctimer command to verify fabric timer values

C. verify physical fiber connections
D. verify MDSswitchport speed
E. verify FCOT is present
F. verify the switch port type is not set for E
Answer: C,D,E

QUESTION NO: 137
The output from the switch show interface command indicates that the link from a host comes up as an FL_Port. The switch port is configured as auto. Which three of these HBA configurations could cause this scenario? (Choose three.)
A. the HBA supports only FC-AL technology
B. the HBA supports only NL mode
C. the HBA is configured as anTL_Port
D. the HBA is configured as aTE_Port
E. the HBA is configured as anN_Port
F. the HBA is configured as anNL_Port
Answer: A,B,F

QUESTION NO: 138
Which of these protocols supports in-band SAN management?
A. IPFC
B. FC-SP
C. FCIP
D. FCC

Answer: A


QUESTION NO: 139
What are four valid protocols for copying software to the MDS 9000 family switches? (Choose four.)
A. Secure Copy Protocol
B. Secure Trivial File Transfer Protocol
C. Remote Copy Service

D. Trivial File Transfer Protocol
E. Secure File Transfer Protocol
F. File Transfer Protocol
Answer: A,D,E,F
QUESTION NO: 140 DRAG DROP
Drag Drop question

Answer: