[单选题]下列哪一个通配符掩码与子网172.16.64.0/27的所有主机匹配（）。

正确答案 ：C

0.0.0.31

[单选题]查看路由表的命令是：()

正确答案 ：C

show ip route

[单选题]100baseT的速率是()Mbit/s

正确答案 ：C

100

[单选题]What kind of cable should be used to establish a trunked line between two Catalyst switches?

正确答案 ：E

A cross-over cable

解析：解析：Explanation: A crossover cable is used to connect two of the same device types, or devices from the same OSI layer.

[单选题]Which type of cable should be used to make a connection between the Fa0/0 port on a router and the Fa0/0 port switch?

正确答案 ：D

Straight-through cable

解析：解析：Explanation:Straight-throughcablesareusedtoconnecthosttoswitch(orhub)androutertoswitch(orhub).

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