What pre-populates the FIB on Cisco devices that use CEF to process packets?

Questions BankCategory: CCNAWhat pre-populates the FIB on Cisco devices that use CEF to process packets?
ITExamAnswers Staff asked 6 months ago
Question:
What pre-populates the FIB on Cisco devices that use CEF to process packets?

  • the routing table
  • the adjacency table
  • the ARP table
  • the DSP

Explanation: CEF uses the FIB and adjacency table to make fast forwarding decisions without control plane processing. The adjacency table is pre-populated by the ARP table and the FIB is pre-populated by the routing table.

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