单项选择题
A.PGP B.HTTPS C.安全RPC D.SSL
A.ip route 192.168.1.0 0.0.0.255 10.0.0.2 B.ip route 192.168.1.0 0.0.0.255 S0/1 C.ip route 192.168.1.0 255.255.255.0 S0/0 D.ip route 192.168.0.0 255.255.255.0 f0/0
A.0010 B.1010 C.0111 D.1111