642-997 Exam Details

  • Exam Code
    :642-997
  • Exam Name
    :Implementing Cisco Data Center Unified Fabric
  • Certification
    :Cisco Certifications
  • Vendor
    :Cisco
  • Total Questions
    :123 Q&As
  • Last Updated
    :Nov 30, 2021

Cisco 642-997 Online Questions & Answers

  • Question 11:

    By default it will take 10 seconds for authentication to fail due to an unresponsive RADIUS server before a Cisco Nexus series switch reverts to another RADIUS server or local authentication. What is one efficient way to improve the reaction time to a RADIUS server failure?

    A. Decrease the global RADIUS retransmission count to 1.
    B. Decrease the global RADIUS timeout interval to 5 seconds.
    C. Configure the RADIUS retransmission count and timeout interval per server, versus globally.
    D. Configure per server a test idle timer, along with a username and password.

  • Question 12:

    Which two security features are only supported on the Cisco Nexus 7000 Series Switches? (Choose two.)

    A. IP source guard
    B. traffic storm control
    C. CoPP
    D. DHCP snooping
    E. Dynamic ARP Inspection
    F. NAC

  • Question 13:

    How is a dynamic vNIC allocated?

    A. Dynamic vNICs are assigned to VMs in vCenter.
    B. Dynamic vNICs can only be bound to the service profile through an updating template.
    C. Dynamic vNICs are bound directly to a service profile.
    D. Dynamic vNICs are assigned by binding a port profile to the service profile.

  • Question 14:

    Which situation must you consider when you add a remote RADIUS server to a Cisco Nexus device?

    A. If RADIUS authentication fails, the device falls back to local authentication automatically.
    B. If RADIUS authentication fails, the user is denied access with no further authentication checks.
    C. If the RADIUS server is unreachable, users are unable to log in.
    D. If the RADIUS server is unreachable, all users are given access with the default role.

  • Question 15:

    Which two advantages does FabricPath have over Spanning Tree in implementing a loop- free network topology design? (Choose two.)

    A. Blocked links can be brought in to service if active links fail.
    B. Convergence times are faster.
    C. Multipath forwarding is supported for unicast and multicast Layer 2 and Layer 3 traffic.
    D. Unknown unicast addresses are flooded in through the originating port.

  • Question 16:

    How does an FCoE end node acquire its FCoE MAC address?

    A. server-provided MAC address
    B. Fibre Channel name server
    C. fabric-provided MAC address
    D. FIP proxy

  • Question 17:

    Which command specifies a load-balancing method based on the MAC address of a host where the same forwarder is always used for a particular host while the number of GLBP group members remains unchanged?

    A. load-balancing host-dependent
    B. load-balancing mac-pinning
    C. load-balancing round-robin
    D. load-balancing weighted

  • Question 18:

    Which two issues explain why a packet is not being routed as desired in a policy-based routing configuration? (Choose two.)

    A. The route map is not applied to the egress interface.
    B. The route map is not applied to the ingress interface.
    C. The next hop that is configured in the route map is not in the global routing table.
    D. The next hop that is configured in the route map has a higher metric than the default next hop.

  • Question 19:

    Which item represents the process that allows FCoE multihop using T11 standard FC-BB- 5?

    A. distributed FCF
    B. FIP proxy
    C. N Port proxy
    D. FIP snooping

  • Question 20:

    Which Cisco NX-OS feature allows transparent Layer 2 extension between sites?

    A. FabricPath
    B. ETV
    C. OTV
    D. vPC
    E. LISP
    F. TrustSec

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