问题详情

定义一个用于封禁ICMP协议而只允许转发166.129.130.0/24子网的ICMP数据包的访问控制列表，Cisco路由器的正确配置是()。

A) access-list 198 permit icmp 166.129.130.0 255.255.255.0 any

access-list 198 deny icmp any any

access-list 198 permit ip any any

B) access-list 198 permit icmp 166.129.130.0 0.0.0 255 any

access-list 198 deny icmp any any

access-list 198 permit ip any any

C) access-list 99 permit icmp 166.129.130.0 0.0.0 255 any

access-list 99 deny icmp any any

access-list 99 permit ip any any

D) access-list 100 permit icmp 166.129.130.0 0.0.0 255 any

access-list 100 pernut ip any any

access-list 100 deny icmp any any