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封禁ICMP协议,只转发212.78.170.166/27所在子网的所有站点的ICMP数据包,正确的access-list配置是______。

A) Router(config)#access-list 110 permit icmp 212.78.170.166 0.0.0.0 any

Router(config)#access-list 110 deny icmp any any

Router(config)#access-list 110 permit ip any any

B) Router(config)#access-list 110 permit icmp 212.78.170.0 255.255.255.224 any

Router(config)#access-list 110 permit ip any any

Router(config)#access-list 110 deny icmp any any

C) Router(config)#access-list 110 perimt iemp 212.78.170.0 0.0.0.255 any

Router(config)#access-list 110 deny icmp any any

Router(config)#access-list 110 permit ip any any

D) Router(config)#access-list 110 permit icmp 212.78.170.160 0.0.0.31 any

Router(config)#access-list 110 deny icmp any any

Router(config)#access-list 110 permit ip any any

A.

B.

C.

D.


参考答案

更多 “ 封禁ICMP协议,只转发212.78.170.166/27所在子网的所有站点的ICMP数据包,正确的access-list配置是______。A) Router(config)#access-list 110 permit icmp 212.78.170.166 0.0.0.0 anyRouter(config)#access-list 110 deny icmp any anyRouter(config)#access-list 110 permit ip any anyB) Router(config)#access-list 110 permit icmp 212.78.170.0 255.255.255.224 anyRouter(config)#access-list 110 permit ip any anyRouter(config)#access-list 110 deny icmp any anyC) Router(config)#access-list 110 perimt iemp 212.78.170.0 0.0.0.255 anyRouter(config)#access-list 110 deny icmp any anyRouter(config)#access-list 110 permit ip any anyD) Router(config)#access-list 110 permit icmp 212.78.170.160 0.0.0.31 anyRouter(config)#access-list 110 deny icmp any anyRouter(config)#access-list 110 permit ip any anyA.B.C.D. ” 相关考题
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