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Troubleshooting Cisco Data Center Unified Fabric
Question No: 91
Which two describe the correct requirements for non-disruptive IOS ISSU on Cisco Nexus 7000 Series Switches? (Choose two.)
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updated kickstart and system images must be staged in bootflash on single-supervisor
switches
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updated kickstart and system images must be staged in bootflash on dual-supervisor switches
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low version skew
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dual supervisors
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clock synchronization
Answer: C,D
Question No: 92
You must check all of the MAC addresses that are learned for the extended VLANs in an OTV environment. Which command must you use?
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show otv adjacency
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show interface overlay
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show otv overlay
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show otv route
Answer: A
Question No: 93
You receive a priority 1 trouble ticket that there is OSPF route instability in the data center core Cisco Nexus 7018 Switches. Which command is useful to help validate a theory that hello packets are being throttled?
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N7018# show class-map interface control-plane
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N7018# show policy-map interface control-plane
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N7018# show service-policy interface control-plane
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N7018# show copp status
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N7018# show copp statistics
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N7018# show control-plane class copp-system-class-critical
Answer: B
Question No: 94
Which two commands are used to determine the CoPP profile used on Cisco Nexus 7000 Series? (Choose two.)
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#show copp profile
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#show copp diff profile
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#show copp status
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#show running-config copp
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#show policy-map interface control-plane
Answer: C,D
Question No: 95
Refer to the exhibit.
An administrator sets up a FabricPath network. The administrator tries to ping between two SVI interfaces on the leaf switches 10 and 20, but it fails. What caused the pings to fail?
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Switches S10 and S20 do not have F2 modules.
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The vPC peer gateway must be enabled on switches S10 and S20.
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Switches S1, S2, and S3 should be interconnected directly.
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VLAN 10 is not enabled on the spine switches (S1, S2, and S3).
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Layer 3 over a vPC peer link is not supported.
Answer: D
Question No: 96
Refer to the exhibit.
A customer is having a problem with NPV. Which of these is the cause of the problem?
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No server was requested or received by the FLOGI database.
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One external link must be up for server interface to be up.
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Multiple external links must be up for the server to come up.
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Internal links are down and must be up for the server interface to be up.
Answer: B
Question No: 97
Which statement would explain why the overlay interface on an OTV edge device is not in the up state?
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The site identifiers are identical within a multihomed site.
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Multicast groups are not mapped to a range of SSM addresses to carry the multicast traffic.
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An adjacency server is not configured for connectivity over a multicast transport.
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The OTV IS-IS metrics do not match across all adjacent OTV edge devices.
Answer: B
Question No: 98
Refer to the exhibit.
Customer is having problems with a device in VLAN100? What would fix the problem?
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Move the trunk port into VSAN 100.
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Change interface fc1fc1/1 into a trunk port and remove VSAN 100.
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Change interface fc2/4 into a trunk port.
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Change interface fc2/4 into VSAN 100.
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Change interface fc1fc1/2 into VSAN 100.
Answer: D
Question No: 99
Which three commands will show all the MAC addresses learned from remote sites in an OTV overlay? (Choose three.)
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show otv arp-nd-cache
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show otv route overlay
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show otv vlan
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show ip arp
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show mac address-table
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show otv site
Answer: A,B,E
Question No: 100
Refer to the exhibit.
Which conditions can trigger on a Cisco Nexus device running FabricPath?
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A switch connected to the Cisco Nexus device is running RSTP instead of STP.
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A BPDU with bridge priority set to 61140 is received by the switch edge port.
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The switch edge port in the STP domain is not configured as root.
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VLAN is configured incorrectly on port-channel 100.
Answer: C