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單項選擇題

Which command is used to see the path taken by packets across an IP network?（）

A.show ip route
B.show route
C.traceroute
D.trace ip route

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單項選擇題

Which command would you configure globally on a Cisco router that would allow you to view directly connected Cisco devices?（）

A.enable cdp
B.cdp enable
C.cdp run
D.run cdp

單項選擇題

Which component of VPN technology ensures that data can be read only by its intended recipient？（）

A.data integrity
B.encryption
C.key exchange
D.authentication

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