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A.show ip interface
B.show cdb neighbors
C.show cdp neighbors detail
D.show ip route
E.show ip link status
F.telnet
Answer: C
Explanation: The show cdp neighbors detail command displays information about neighboring devices. The information displayed includes Layer 3 protocol information and Neighbor Device ID. The show cdp entry command also results in the same information as the show cdp neighbors detail command.
Incorrect Answers:
A is incorrect; the show ip interface command display IP interface information and indicates whether any access list are set for a specific interface.
B is incorrect; the show cdp neighbors command displays such information as Neighbor Device ID and Local Interface but nothing on Layer 3 protocols.
D is incorrect; the show ip route command displays the contents of the ip routing table. E is incorrect; this is not a valid command.
F is incorrect; the telnet command is used to establish a telnet command.
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages
Q. 44
Which command is used to display the placement and direction of an IP access control list on a router?
A.show
B.show ip route
C.show ip interface
D.show interface
E.show interface list
Answer: C
Explanation: The show ip interface command display IP interface information and indicates whether any access list are set for a specific interface and it also indicates if the access list is inbound or outbound.
Incorrect Answers:
A is incorrect; this is not a valid command.
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