下面哪个是正确的默认路由(default route)。()A.route ip 172.0.0.0 255.0.0.0 s0B.ip rout
下面哪个是正确的默认路由(default route)。()
A.route ip 172.0.0.0 255.0.0.0 s0
B.ip route 0.0.0.0 0.0.0.0 172.16.20.1
C.ip route 0.0.0.0 255.255.255.255 172.16.20.1
D.route ip 0.0.0.0 255.255.255.0 172.16.10.11 50