Which packet-forwarding method does a router use to make switching decisions when it is using a forwarding information base and an adjacency table?
- fast switching
- Cisco Express Forwarding
- process switching
- flow process
Explanation: Cisco Express Forwarding (CEF) is the fastest and preferred switching method. It uses a FIB and an adjacency table to perform the task of packet switching. These data structures change with the topology.
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