200-301: Cisco Certified Network AssociateDemo

By Cisco · Question Mode

QuestionQ870

IP Connectivity

Why is VRRP implemented when configuring a new subnet in a multivendor environment?

  • A when a gateway protocol is required that supports more than two Cisco devices for redundancy
  • B to interoperate normally with all vendors and provide additional security features for Cisco devices
  • C to ensure that the spanning-tree forwarding path to the gateway is loop-free
  • D to enable normal operations to continue after a member failure without requiring a change in a host ARP cache
Explanation

VRRP is an open standard first-hop redundancy protocol that lets multiple routers present a single virtual default gateway to hosts across different vendors. If the active router fails, another router takes over the virtual gateway so hosts continue forwarding normally without changing their configured gateway and without needing host ARP behavior to be updated to a different physical router.

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