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CCNP Data Center Flashcards

6 cards from real CCNP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. What is the default VTP mode on a Cisco Nexus switch?

    Answer: Transparent

    Cisco Nexus switches default to VTP Transparent mode, which means they do not participate in VTP domain synchronization.

  2. What is the primary purpose of a vPC (Virtual Port Channel) in a Cisco data center?

    Answer: Allow a device to connect to two Nexus switches as a single logical port channel

    vPC allows a downstream device to connect to two Nexus switches simultaneously using a single logical port channel, eliminating blocked ports.

  3. Which link in a vPC setup carries control plane traffic between the two vPC peers?

    Answer: vPC peer keepalive link

    The vPC peer keepalive link carries heartbeat messages to detect if the peer switch is alive, while the peer link carries data and control plane traffic.

  4. What is the role of the vPC peer link in a Cisco Nexus vPC pair?

    Answer: Carries BPDUs, multicast traffic, and orphan port traffic between peers

    The vPC peer link carries BPDUs, multicast, and traffic destined for orphan ports, acting as the inter-switch link for control and some data plane functions.

  5. Which command is used to verify the vPC status and role on a Cisco Nexus switch?

    Answer: show vpc

    The 'show vpc' command displays the vPC domain ID, role (primary/secondary), peer link status, and per-vPC consistency status.

  6. What happens to traffic on a vPC member port if the vPC peer link goes down but the peer keepalive link remains up?

    Answer: The secondary switch suspends its vPC member ports to avoid a split-brain scenario

    When the peer link fails but the keepalive is up, the secondary switch suspends its vPC member ports to prevent dual-active forwarding loops.

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Sources & references

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  1. pearsonvue.com — Test delivery · verified Oct 2026
  2. cisco.com — Renewal, eligibility, fees, score release, time limit, score validity, retake fee · verified Oct 2026
  3. blogs.cisco.com — Exam information · verified Oct 2026