多项选择题

Which of the following pieces of information will the command show interface provide？（Choose allthat apply.）（）

A.Layer 1 status
B.Output queue drops
C.Interface CPU utilization
D.Cable type connected to interface
E.Layer 2 status
F.Input queue drops

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单项选择题

Which of the following commands will display a router’s crypto map IPsec security associationsettings？（）

A.show crypto map ipsec sa
B.show crypto map
C.show crypto engine connections active
D.show ipsec crypto map
E.show crypto map sa
F.show ipsec crypto map sa

单项选择题

Which of the following is not a characteristic of fast switching？（）

A.Fast switching reducesa routers CPU utilization， compared to process switching
B.All packets of a flow， except for the first packet， use the information in the fast cache
C.It can be enabled with the interface command ip route-cache
D.Fast switching uses a fast cache maintained in a router’s control plane
E.The fast cache contains information about how traffic from different data flows should beforwarded
F.Even though the fast switching is enabled， the first packet of a flow is still process switched

单项选择题

Which of the following commands will restore a previously archived configuration by replacing therunning configuration with the archived configuration？（）

A.configure archive running-config
B.configure replace
C.copy archive running config
D.copy startup-config running-config
E.copy tftp running-config
F.configure tftp running-config