300-410 ENARSI: Implementing Cisco Enterprise Advanced Routing and ServicesDemo

By Cisco · Question Mode

QuestionQ267

Layer 3 Technologies

Which mechanism should be selected to optimize OSPF reconvergence time at company location 408817202 while being less CPU-intensive than reducing the hello and dead timers?

  • A sso
  • B BFD
  • C Dead Peer Detection keepalives
  • D OSPF demand circuit
Explanation

Bidirectional Forwarding Detection (BFD) provides subsecond failure detection for OSPF and can distribute some processing to the data plane. This makes it less CPU-intensive than reducing OSPF hello and dead timers, which are handled wholly in the control plane.

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