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Cisco 642-980 Online Practice Questions and Exam Preparation

642-980 Exam Details

  • Exam Code
    :642-980
  • Exam Name
    :Troubleshooting Cisco Data Center Unified Fabric
  • Certification
    :Cisco Certifications
  • Vendor
    :Cisco
  • Total Questions
    :124 Q&As
  • Last Updated
    :Nov 24, 2021

Cisco 642-980 Online Questions & Answers

  • Question 81:

    You apply a new CoPP profile to a Cisco Nexus 7000 Series, and it stops responding to ping requests. Which option should you check?

    A. server SO
    B. SVI that is associated with the server subnet
    C. CoPP counters
    D. ACL that is associated with the CoPP profile applied

  • Question 82:

    A Cisco Nexus 7010 Switch that is at the core of a customer network has high CPU utilization. What can the customer do to prevent a network outage and identify why CPU utilization is high?

    A. apply a rate limit on the interfaces with high traffic
    B. use CoPP
    C. use HSRP and vPC for redundancy to handle high CPU utilization
    D. use jumbo frames
    E. use the show process cpu command to see the high CPU utilization

  • Question 83:

    You are no longer seeing updates to the device-aliases database on your Cisco Nexus 5596UP Switch. Which command is useful to determine if the scope of Cisco Fabric Services application distribution was being administratively limited?

    A. N5K2# show cfs region
    B. N5K2# show cfs scope
    C. N5K2# show cfs locale
    D. N5K2# show cfs acl
    E. N5K2# show cfs firewall

  • Question 84:

    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.

  • Question 85:

    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

  • Question 86:

    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.

  • Question 87:

    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 enabled
    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

  • Question 88:

    Which command can you use to determine if the member ports share the appropriate parameters in order to join a port channel?

    A. show port-channel summary
    B. show port-channel usage
    C. show port-channel compatibility-parameters
    D. show port-channel load-balance

  • Question 89:

    Why do the lists not contain the same switches, after you issue the commands show cfs peers name and show cfs merge status?

    A. The merge cannot occur until the VSAN IDs are synched.
    B. The Cisco Fabric Services fabric has a physical port fault that should be investigated.
    C. The fabric is partitioned into multiple Cisco Fabric Services fabrics.
    D. Cisco Fabric Services need to be restarted to see the new switches.
    E. A Cisco Fabric Services database lock has prevented the merge.

  • Question 90:

    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

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