22 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,wildcard 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 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-nacl #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

答案:登入後查看
統計: 尚無統計資料