定义一个用于封禁ICMP协议而只允许转发l66.129.130.0/24子网的ICMP数据包的访问控制列表,Cisco路
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A.access-list 198 permit icmp 166.129.130.0 255.255.255.0 anyaccess-list 198 deny iemp any anyaccess-list 198 permit ip any any
B.access-list 198 permit icmp 166.129.130.0 0.0.0.255 anyaccess-list 198 deny iemp any anyaccess-list 198 permit ip any any
C.access-list 99 permit icmp 166.129.130.0 0.0.0.255 anyaccess-list 99 deny iemp any anyaccess-list 99 permit ip any any
D.access-list 100 permit icmp 166.129.130.0 0.0.0.255 anyaccess-list 100 permit ip any anyaccess-list 100 deny icmp any any
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
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 icnip 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 permit ip any any access-list 100 deny icmp any any
A.access-list 198permit icmp 166.129.130.0 255.255.255.0 anyaccess-list 198 deny icmp any any access-list 1 98 permit ip any any
B.access-list 198 permit icrnp 166.129.130.0 0.0.0 255 anyaccess-list 198 deny icmp any any access-list 198 permit ip any any
C.access-list 99 permit icrnp 166.129.130.0 0.0.0 255 any access-list 9 9 deny icrnp any any access-list 99 permit ip any any
D.access-list 100 permit icrnp 166.129.130.0 0.0.0 255 any access-list 100 permit ip any any access-list 1 00 deny icmp any any
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A.access-list 90 deny icmp l68.27.95.0 255.255.255.0 any access-list 90 deny icmp any anyaccess—list 90 permit ip any any
B.access-list l00 permit icmp l68.27.95.0 0.0.0.255 any access-list l00 permit ip any any
C.access—list l l o permit icmp l68.27.95.0 255.255.255.0 any access—list l lo deny icmp any any
D.access-list l20 permit icmp l68.27.95.0 0.0.0.255 any access—list l20 deny icmp any any access—list l20 permit ip any any
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.access-list 120 deny icmp 159.67.183.0 0.0.0.255 any access-list 120 permit ip any any
B.access-list 10 permit icmp 159.67.183.0 0.0.0.255 any access-list 10 deny icmp any any access-list 10 permit ip any any
C.access-list 99 permit icmp 159.67.183.0 0.0.0.255 any access-list 99 deny icmp any any
D.access-list 110 permit icmp 159.67.183.0 0.0.0.255 any access-list 110 deny icmp any any access-list 110 permit ip any any
A.ICMP协议根据MAC地址查找对应的IP地址
B.ICMP协议根据IP地址查找对应的MAC地址
C.ICMP协议根据网络通信的情况把控制报文发送给发送主机
D.ICMP协议用来转发数据包
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