JN0-683: Data Center, Professional (JNCIP-DC)Demo

By Juniper · Question Mode

QuestionQ90

Layer 3 Fabrics

A customer requires every device-to-device connection in the routed underlay infrastructure to fail over in under two seconds. Because of the network’s size, they do not want to modify routing-protocol timers.

Which feature should be used to meet these requirements?

  • A BFD
  • B LLDP
  • C RSTP
  • D MC-LAG
Explanation

Bidirectional Forwarding Detection (BFD) provides fast, protocol-independent liveness detection for routed neighbors and can detect failures in far less than two seconds without changing the routing protocol’s timers. BFD detection intervals can be configured below one second and trigger rapid routing convergence when the session fails.

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