A.Router(config)#password-encryption B.Router(config)#service password-encryption C.Router#service password-encryption D.Router#password-encryption
A.show ip access-list B.show access-list C.list ip interface D.show ip interface
A.access-list 50 deny 192.168.1.1 0.0.0.255 B.access-list 110 deny ip any any C.access-list 2500 deny tcp any host 192.168.1.1 eq 22 D.access-list 101 deny tcp any host 192.168.1.1