Cisco路由器执行show access-list命令显示如下一组信息 Standard IP access list block deny 10.0.0.0,wildcard bits 0.255.255.255 log deny 172.16.0.0,wildeard bits 0.15.255.255 permit any 根据上述信息,正确的access-list配置是______。
A.Router(config)#access-list standard block Router(config-std-nael)#deny 10.0.0.0 255.0.0.0 log Router(config-std-nacl)#deny 172.16.0.0 255.240.0.0 Router(config-std-nacl)#permit any B.Router(config)#ip access-list standard block Router(config-std-nael)#permit any Router(config-std-nacl)#deny 10.0.0.0 0.255.255.255 log Router(config-std-nacl)#deny 172.16.0.0 0.15.255.255 C.Router(config)#ip access-list standard block Router(config-std-nacl)#deny 10.0.0.0 255.0.0.0 log Router(config-std-nael)#deny 172.16.0.0 255.240.0.0 Router(config-std-nacl)#permit any D.Router(config)#ip access-list standard block Router(config-std-nacl)#deny 10.0.0.0 0.255.255.255 log Router(config-std-nacl)#deny 172.16.0.0 0.15.255.255 Router(config-std-nacl)#permit any