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 permit icmp 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