Troubleshooting Cisco Data Center Unified Fabric (DCUFT)

 

QUESTION 71

When a directly connected host pings a switch virtual interface on the Cisco Nexus 7000 Series Switch, there is intermittent ping loss. What is the cause?

 

A.

CoPP is applying microflow policing to all traffic from the host that is destined to the CPU.

B.

CoPP is applying microflow policing to all traffic to the host that is leaving the CPU.

C.

CoPP is rate-limiting all ICMP traffic that is destined to the CPU.

D.

CoPP is rate-limiting all ICMP traffic that is leaving the CPU.

 

Correct Answer: C

 

 

QUESTION 72

The traffic across your port channels seems to be favoring one link over the other. How can you adjust the load-balancing policy to include source and destination MAC addresses, IP address, and TCP port?

 

A.

kcdc-5010-1(config-if)# port-channel load-balance ethernet source-dest-port

B.

kcdc-5010-1(config-if)# port-channel load-balance ethernet source-dest mac ip port

C.

kcdc-5010-1(config)# port-channel load-balance ethernet source-dest-port

D.

kcdc-5010-1(config)# port-channel load-balance ethernet source-dest mac ip port

 

Correct Answer: C

 

 

QUESTION 73

When configuring LLDP on Cisco Nexus 5548 Switch, what is the purpose of LLDP hold time global configuration command?

 

A.

LLDPholdtime option is to set the length of time in milliseconds that a device should save LLDP information received before discarding it.

B.

LLDPholdtime option is to set the length of time in seconds that a device should save LLDP information received before discarding it.

C.

LLDPholdtime optionistosetthe length of time in milliseconds to wait before performing LLDP initialization on any interface.

D.

LLDPholdtime optionistosetthe length of time in seconds to wait before performing LLDP initialization on any interface.

 

Correct Answer: B

QUESTION 74

A customer is deploying multihop FCoE in its network. Which guideline must the customer follow with respect to VE ports to make this deployment possible?

 

A.

Auto mode on the vFC interface is supported.

B.

VE-port trunking is supported over FCoE-enabled VLANs.

C.

VE-port interface binding to MAC addresses is supported.

D.

A VE port is disabled for trunk mode by default.

 

Correct Answer: B

 

 

QUESTION 75

An administrator wants to combine the advantages of a trunking F port and an F port channel. Which command on a Cisco MDS switch should be used to enable this?

 

A.

enable port-channel

B.

feature trunking-fport

C.

feature fport-channel-trunk

D.

port-channel trunk

E.

feature fport-trunk

 

Correct Answer: C

 

 

QUESTION 76

Which three statements are true regarding trunking on an ISL between two switches in order for the VSAN to be trunked? (Choose three.)

 

A.

The VSAN must be defined on both switches.

B.

The VSAN must be on the VSAN allowed list.

C.

All VSANs that are being trunked must be using either enhanced or non-enhanced mode zoning, but not both.

D.

IVR must be configured for Cisco Fabric Services.

E.

The device alias database must successfully merge.

F.

There cannot be any duplicate domain IDs within an individual VSAN.

 

Correct Answer: ABF

 

 

QUESTION 77

What are three reasons that could cause fabric merge problems in a Cisco SAN? (Choose three.)

 

A.

Failure occurs when a switch supports more than 2000 zones per VSAN but its neighbor does not.

B.

All devices are in the same VSAN.

C.

The merged fabrics contain inconsistent data that could not be merged.

D.

Both host and storage are logged in to the same SAN.

E.

Small configurations may wipe out the large configurations.

F.

The VSAN database is error-disabled.

 

Correct Answer: ACE

 

QUESTION 78

Your customer has a dual Cisco Nexus 7010 Switches in its data center. Customer’s representatives want to know how to determine if Cisco IOS ISSU is possible on the switches as they are upgrading to version 6.0.4. Which command is useful to determine if the upgrade will be non-disruptive?

 

A.

N7010-C1# show system redundancy ha status

B.

N7010-C1# show incompatibility system

C.

N7010-C1# install all

D.

N7010-C1# show issu test bootflash:n7000-s1-system.6.0.4.bin

 

Correct Answer: C

 

 

QUESTION 79

On a Cisco Nexus 5500 Series Switch, the VFC is stuck in the initializing state. Which QoS statements must be configured for FCoE to operate?

 

A.

system qos

service-policy type qos input fcoe-default-in-policy

service-policy type queuing input fcoe-default-in-policy

service-policy type queuing output fcoe-default-out-policy

service-policy type network-qos fcoe-default-nq-policy

B.

system qos

service-policy type qos input fcoe-default-in-policy

service-policy type queuing input fcoe-default-in-policy

service-policy type qos input default-in-policy

service-policy type network-qos default-nq-policy

C.

system qos

service-policy type qos input default-in-policy

service-policy type queuing input default-in-policy

service-policy type queuing output default-out-policy

service-policy type network-qos default-nq-policy

D.

system qos

service-policy type qos input default-in-policy

service-policy type queuing input default-in-policy

service-policy type queuing output fcoe-default-out-policy

service-policy type network-qos fcoe-default-nq-policy

 

Correct Answer: A

 

 

QUESTION 80

Which two occurrences happen during an ISSU? (Choose two.)

 

A.

FLOGI/fdisc or logo requests from servers fail until the ISSU is complete.

B.

The time-to-live value for CDP is increased (360 seconds) if it is less than the recommended timeout value.

C.

LACP is not affected because ISSU should not impact peers that rely on LACP because the recovery time is less than 90 seconds.

D.

NTP sessions stay alive and active.

E.

The control plane is offline for up to 300 seconds.

 

Correct Answer: AC

 

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