Cisco 200-105 Exam

After the network has converged, what type of messaging, if any, occurs between R3 and R4?

  • A. No messages are exchanged.
  • B. Hellos are sent every 10 seconds.
  • C. The full database from each router is sent every 30 seconds.
  • D. The routing table from each router is sent every 60 seconds.
Answer: Option B.
Explanation: 

HELLO messages are used to maintain adjacent neighbors so even when the network is converged, hellos are still exchanged. On broadcast and point-to-point links, the default is 10 seconds, on NBMA the default is 30 seconds.

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