A.enable cdp B.cdp enable C.cdp run D.run cdp
A.data integrity B.encryption C.key exchange D.authentication
A.ip default-gateway 0.0.0.0 B.ip route 172.16.2.1 0.0.0.0 0.0.0.0 C.ip default-network 0.0.0.0 D.ip default-route 0.0.0.0 0.0.0.0 172.16.2.1 E.ip route 0.0.0.0 0.0.0.0 172.16.2.1