What pre-populates the FIB on Cisco devices that use CEF to process packets?
- the routing table
- the ARP table
- the DSP
- the adjacency table
Answers Explanation & Hints: 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.