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Q21. A customer is troubleshooting FCoE in its network and sees pause counters increasing when it runs the command show interface eth1/5. What is the cause of this?
A. The CNA connected to the switch is sending Xon or Xoff PFC frames.
B. The HBA connected to the switch is sending Xon or Xoff PFC frames.
C. Pause counters increase regularly; there is nothing to be concerned about.
D. A firmware upgrade on the Fibre Channel adapter that is connected to the switch will fix this issue.
Answer: A
Q22. A customer reports that it cannot establish a vPC peer link between two Cisco Nexus 5548UP Switches. The interfaces on both switches are configured and cabled correctly. The interface status is up/down on switch 1 and up/up on switch 2. Which three steps are taken to isolate the root cause? (Choose three.)
A. ask the customer if the link was ever functional
B. determine whether the fiber-optic cable type (single mode or multimode) matches the X2 modules
C. swap the fiber-optic cable with one known to be good
D. swap the transceivers between the two interfaces
E. swap the ends of the fiber-optic cable
Answer: CDE
Q23. Which command displays the traffic statistics for a port channel interface?
A. show interface port-channel channel-number
B. show port-channel traffic
C. show port-channel usage
D. show port-channel compatibility-parameters
Answer: B
Q24. A customer is troubleshooting FCoE in its network. They have discovered that vFC is currently down and there is no active STP port state on the bound Ethernet interface. What should the STP port state be to correct this issue?
A. The bound interface should be in an STP forwarding state for the native VLAN only.
B. The bound interface should be in an STP learning state for both the native VLAN and the member FCoE VLAN that is mapped to the active VSAN.
C. The bound interface should be in an STP forwarding state for both the native VLAN and the member FCoE VLAN that is mapped to the active VSAN.
D. The bound interface should be in an STP blocking state for both the native VLAN and the member FCoE VLAN that is mapped to the active VSAN.
Answer: C
Q25. Which two statements are true regarding vPC configuration? (Choose two.)
A. With vPC, there are no blocked ports.
B. vPC uses hash-based EtherChannel load balancing.
C. There are STP-blocked redundant links.
D. There is VLAN-based load balancing.
E. There is higher oversubscription.
Answer: AB
Q26. Refer to the output.
feature otv
otv site-vlan 2
otv site-identifier 256
!
interface ethernet 2/0
ip address 192.0.2.1/24
ip igmp version 3
!
interface ethernet 2/1
ip address 192.0.2.2/24
ip igmp version 3
!
interface Overlay1
otv control-group 239.1.1.1
otv join-interface ethernet 2/0
otv extend-vlan 3-100
!
interface Overlay2
otv control-group 239.1.1.1
otv join-interface ethernet 2/1
otv extend-vlan 101-115
Which command best represents where the control plane configurations are applied?
A. switch(config-if-overlay)# otv isis hello-interval 30
B. switch(config-if)# otv isis hello-interval 30
C. switch(config-vlan)# otv isis hello-interval 30
D. switch(config)# otv isis hello-interval 30
Answer: A
Q27. When using a Cisco Nexus 5500 and Cisco Nexus 7000 Series Switch, how can a port channel interface be configured?
A. Layer 3 interface
B. Layer 3 interface in non-admin VDC only
C. Layer 3 interface in admin VDC only
D. Layer 3 interface in VDC 1 only
Answer: A
Q28. Refer to the exhibit.
During a VSAN outage, you come across this configuration. Please select two possible causes? (Choose two)
A. no common VSANs on both switches
B. no common trunks
C. no common VSAN members in the same trunk
D. VSANs in trunk are the same, but the trunk is not up
Answer: AC
Q29. In a Cisco Data center network, what troubleshooting step would you do first when having a npv issue?
A. Check to see if npv is enable
B. Check name server database to see if it recognizes device
C. Check detail config of FCNS database
D. Check the show-tech-support detail
Answer: A
Q30. Refer to the exhibit.
When your customers have NPV problems, which three actions should you take? (Choose three.)
A. Verify that the NPV core switch supports NPIV and that it is enabled.
B. Verify that all ports are properly configured and connected.
C. Ensure that the VLAN values are configured on both sides of the NPV core switch.
D. Verify the status of the servers and external interfaces, using the show npv server status command.
E. Ensure that the VSAN value that is configured on the device links is correct.
F. For all the device links, ensure that the port mode on the NPV device is in Full_port mode.
Answer: ABE