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．
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．
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