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單項(xiàng)選擇題

You work as a technician at TestKing. You are configuring a Cisco router. You want to configure the IP address on an interface.Which command should you use?()

A. router(config-if)#ip address 142.8.2.1 subnet mask 255.255.252.0
B. router(config-if)#142.8.2.1 0.0.3.255
C. router(config-if)#ip address 142.8.2.1 255.255.252.0
D. router(config-if)#142.8.2.1 subnet mask 255.255.252.0
E. router(config-if)#ip address 142.8.2.1 0.0.3.255
F. router(config-if)#ip address 142.8.2.1 subnet mask /22

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