200-301: Cisco Certified Network AssociateDemo

By Cisco · Question Mode

QuestionQ569

IP Connectivity

What does implementing a first-hop redundancy protocol protect a network against?

  • A default gateway failure
  • B BGP neighbor flapping
  • C spanning-tree loops
  • D root-bridge loss
Explanation

First-hop redundancy protocols provide an always-available default gateway for end hosts by using multiple routers that share a virtual gateway address. If the active gateway device fails, a standby router takes over, preventing loss of default-gateway connectivity.

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