在一台Cisco路由器的g0/1端口上, 封禁所有端口号为12345的TCP数据包和端口号为7306的UDP数据包 下列正确的access-list配置是
A.
Router (config)#ip access-list standard heike12345Router (config-std-nacl)#deny udp any any eq 7306Router (config-std-nacl)#deny tcp any any eq 12345Router (confg-std -nacl)#permit ip any anyRouter (config-std-nacl)#exitRouter (config)#interface g0/1Router (config-if)#ip access-group heike12345 inRouter (config-if)#ip access-group heike12345 outRouter (config-if)#
B.
Router (config)#ip access-list extended heike12345Router (config-ext-nacl)#permit ip any anyRouter (config-ext-nacl)#deny udp any any eq 7306Router (config-ext-nacl)#deny tcp any any eq 12345Router (config-ext-nacl)#exitRouter (config)#interface g0/1Router (config-if)#ip access-group heike12345 inRouter (config-if)#ip acess-grouop heike12345 outRouter (config-if)#
C.
Router (config)#ip access-list extended heike12345Router (config-ext-nacl)#deny udp any any eq7306Router (config-ext-nacl)#deny tcp any any eq 12345Router (config-ext-nacl)#permit ip any anyRouter (config-ext-nacl)#exitRouter (config-if)#ip access-group heike12345 inRouter (config-if)#ip acess-grouop heike12345 outRouter (config-if)#
D.
Router (config)#ip access-list extended heike12345Router (config-ext-nacl)#deny udp any any eq7306Router (config-ext-nacl)#deny tcp any any eq 12345Router (config-ext-nacl)#permit ip any anyRouter (config-ext-nacl)#exitRouter (config)#interface g0/1Router (config-if)#ip access-group heike12345 inRouter (config-if)#ip acess-grouop heike12345 outRouter (config-if)#