用标准访问控制列表配置212.33.127.0/24子网主机登录到路由表,虚拟的配置是
A.Router(config)#access-list 10 permit 212.33.127.0 255.255.255.0 Router(config)#line vty 0 5 Router(config-line)#access-class 10 in B.Router(config)#access-list 20 permit 212.33.127.0 0.0.0.255 Router(config)#line vty 0 5 Router(config-line)#access-class 20 in C.Router(config)#access-list 99 permit 212.33.127.0 0.0.0.255 Router(config)#line vty 0 5 Router(config-line)#access-class 99 in D.Router(config)#access-list 100 permit 212.33.127.0 0.0.0.255 Router(config)#line vty 0 5 Router(config-line)#access-class 100 in