Cisco路由器执行show access－list命令显示如下一组控制列表信息: Standard IP acceSS list 30 de

Cisco路由器执行show access-list命令显示如下一组控制列表信息：

Standard IP acceSS list 30

deny 127.0.0.0，wildcard bits 0.255.255.255

deny 172.16.0.0，wiidcard bits 0.15.255.255

permft any

根据上述信息，正确的access-list配置是______。

A) Router(config)#access-list 30 deny 127.0.0.0 255.255.255.0

Router(config)#access-list 30 deny 172.16.0.0 255.240.0.0

Router(config)#access-list 30 permit any

B) Router(config-std-nacl)#access-list 30 deny 127.0.0.0 0.255.255.255

Router(config-std-nael)#access-list 30 deny 172.16.0.0 0.15.255.255

Router(config-std-nacl)#access-list 30 permit any

C) Router(config)#access-list 30 deny 127.0.0.0 0.255.255.255

Router(config)#access-list 30 deny 172.16.0.0 0.15.255.255

Router(config)#access-list 30 permit any

D) Router(config)#access-list 30 deny 127.0.0.0 0.255.255.255

Router(config)#access-list 30 permit any

Router(config)#access-list 30 deny 172.16.0.0 0.15.255.255

A．

B．

C．

D．