在一台Cisco路由器上执行show access-lists命令显示如下一组信息
根据上述信息，正确的access-list配置是（）。
- A.Router(config)#ip access-list extended port4444 Router(config-ext-nacl)#deny icmp any any Router(config-ext-nacl)#deny udp any any eq 1434 Router(config-ext-nacl)#deny tcp any any eq 4444 Router(config-ext-nacl)#permit icmp 202.38.97.0 0.0.0.255 any Router(config-ext-nacl)#permit ip any any
- B.Router(config)#access-list port4444 permit icmp 202.38.97.0 0.0.0.255 any Router(config)#access-list port4444 deny icmp any any Router(config)#access-list port4444 deny udp any any eq 1434 Router(config)#access-list port4444 deny tcp any any eq 4444 Router(config)#access-list port4444 permit ip any any
- C.Router(config)#ip access-list extended port4444 Router(config-ext-nacl)#permit 202.38.97.0 0.0.0.255 any icmp Router(config-ext-nacl)#deny any any icmp Router(config-ext-nacl)#deny any any udp eq 1434 Router(config-ext-nacl)#deny any any tcp eq 4444 Router(config-ext-nacl)#permit ip any any
- D.Router(config)#ip access-list extended port4444 Router(config-ext-nacl)#permit icmp 202.38.97.0 0.0.0.255 any Router(config-ext-nacl)#deny icmp any any Router(config-ext-nacl)#deny udp any any eq 1434 Router(config-ext-nacl)#deny tcp any any eq 4444 Router(config-ext-nacl)#permit ip any any
热度🔥391
参考答案：D
解析：打开微信小程序查看本题解析
扫码免费计算机二级刷题
2024年计算机等级考试题库
