For additional information, refer to this resource:
■ Search www.cisco.com for "CEF switching" for additional information.
Use the practice items here to review what you learned in this lesson. The correct answers are found in the Quiz Answer Key.
Ql) Topology-driven switching is also known as?
B) fast switching
C) cache switching
D) process switching
Q2) The command to monitor CEF is?
A) Router#show cef
B) Router>show ip cef
C) Router#show ip cef
D) Router(config)#show ip cef
Q3) The command to enable CEF on a Cisco router is?
A) Router#ip cef
B) Router>ip cef
D) Router(config)# ip cef
Q4) In CEF switching what is the difference between the adjacency table and the ARP cache?
A) The adjacency table holds the Layer 2 header, and the ARP cache does not.
B) The ARP cache holds the Layer 2 header, and the adjacency table does not.
C) Both the adjacency table and the ARP cache hold the Layer 2 header.
D) Neither the adjacency table nor the ARP cache holds the Layer 2 header.
Q5) What happens to a packet that should be fast-switched but the destination is not in the switching cache?
A) The packet is dropped.
B) The packet is cache-switched.
C) The packet is process-switched.
D) CEF switching is used.
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