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Cisco路由器第3模块第1端口通过E1标准的DDN专线与一台远程路由器相连,端口的IP地址为195.112.41.81/30,远程路由器端口封装PPP协议。下列路由器的端口配置,正确的是
A)Router (config)#interface s3/1
Router (config-if)#bandwidth 2048
Router (config-if)#ip address 195.112.41.81 255.255.255.252
Router (config-if)#encapsulation ppp
Router (config-if)#exit
B)Router (config)#interface a3/1
Router (config-if)#bandwidth 2000
Router (config-if)#ip address 195.112.41.81 255.255.255.252
Router (config-if)#encapsulation ppp
Router (config-if)#exit
C)Router (config)#interface s3/1
Router (config-if)#bandwidth 2
Router (config-if)#ip address 195.112.41.81 255.255.255.252
Router (config-if)#encapsulation ppp
Router (config-if)#exit
D)Router (config)#interface s3/1
Router (config-if)#bandwidth 2048
Router (config-if)#ip address 195.112.41.81 255.255.255.252
Router (config-if)#encapsulation hdlc
Router (config-if)#exit
参考答案