Cisco 642-980 Online Practice Questions and Exam Preparation

Cisco 642-980 Online Questions & Answers

• Question 21:

  If no traffic was ever sent across the overlay, what will the show mac address-table command on the OTV VDC indicate?

  A. invalid command
  B. the MAC address of the local OTV join interface
  C. the system IDs of all the local OTV edge devices
  D. the system IDs of all the local and remote edge devices in the overlay
  E. all the MAC addresses learned on the extended VLAN
  B. the MAC address of the local OTV join interface

• Question 22:

  Refer to the exhibit.

  

  A customer is having a problem with NPV. Which of these is the cause of the problem?

  A. No server was requested or received by the FLOGI database.
  B. One external link must be up for server interface to be up.
  C. Multiple external links must be up for the server to come up.
  D. Internal links are down and must be up for the server interface to be up.
  B. One external link must be up for server interface to be up.

• Question 23:

  Refer to the exhibit.

  

  Which two commands are missing to enable OTV between N7K-A and N7K-B? (Choosetwo.)

  A. otv site-vlan on both N7Ks
  B. create vlan 5-10
  C. enable virtual port-channel on vlan 5-10
  D. enable eigrp on both N7Ks
  E. enable hsrp feature
  A. otv site-vlan on both N7Ks
  B. create vlan 5-10

• Question 24:

  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
  B. show port-channel traffic

• Question 25:

  Refer to the exhibit.

  

  VSAN traffic is not being routed through SAN fabric. Which action is helpful to resolve the problem?

  A. Make sure that the FSPF hello interval value matches on both switches.
  B. Change the FSPF hello timer back to the default of 5 seconds.
  C. Make sure that the FSPF hello timers are different so that they do not compete.
  D. Make sure that the FSPF dead timers are both set to 0.
  A. Make sure that the FSPF hello interval value matches on both switches.

• Question 26:

  Refer to the exhibit.

  

  A customer is having difficulty getting NPV working. What is the cause of the problem?

  A. The core NPV device is not enabled.
  B. The core NPV device is not a switch.
  C. The core NPV device is not configured on both ends.
  D. The core NPV device is not configured on the upstream port.
  B. The core NPV device is not a switch.

• Question 27:

  What arethreesituations that may cause an ISSU failure? (Choosethree.)

  A. A module is removed while the upgrade is in progress.
  B. A proper ISSU license is not in place.
  C. The device has a power disruption while the upgrade is in progress.
  D. A line card is in a failure state.
  E. The specified system and kickstart images are not compatible.
  F. The management interface is not in the correct VRF.
  G. The secondary supervisor is not installed.
  H. The redundancy force-switchover command was used during the ISSU.
  C. The device has a power disruption while the upgrade is in progress.
  D. A line card is in a failure state.
  E. The specified system and kickstart images are not compatible.

• Question 28:

  Which three statements are true about the show cfs merge status name command? (Choose three.)

  A. In a successful merge, all switches in the fabric are shown separately.
  B. The command shows the complete Cisco Fabric Services region database.
  C. The command shows the merge status in all valid VSANs on the switch.
  D. The merge master is selected based on the highest sWWN in the fabric.
  E. The merge master is selected based on the lowest sWWN in the fabric.
  F. In a successful merge, all switches are shown in a local fabric.
  C. The command shows the merge status in all valid VSANs on the switch.
  E. The merge master is selected based on the lowest sWWN in the fabric.
  F. In a successful merge, all switches are shown in a local fabric.

• Question 29:

  Which two statements are true about the OTV otvsite-identifier id command? (Choose two.)

  A. It is used to determine if there are other OTV edge devices on the local site.
  B. It is used to identify the site to other OTV sites in the network.
  C. It should be configured in addition to the otv site-vlan command.
  D. It should be configured instead of the otv site-vlan command.
  E. The value should be the same across all OTV sites.
  A. It is used to determine if there are other OTV edge devices on the local site.
  C. It should be configured in addition to the otv site-vlan command.

• Question 30:

  A customer reports that a 10-Gb interface between a Cisco Nexus 7009 Switch and a Cisco Nexus 5548UP Switch is not passing traffic. The Nexus 7009 interface indicates up/up. The Nexus 5548UP interface indicates up/down. Which feature should you enable to help isolate the root cause?

  A. CDP
  B. GOLD
  C. UDLD
  D. DAI
  E. LACP
  C. UDLD