A.0 B.1 C.255 D.90
A.靜態(tài)路由 B.默認路由 C.RIP路由 D.動態(tài)路由
A.ip address 1.1.1.1 netmask 255.0.0.0 B.ip address 1.1.1.1/24 C.set ip address 1.1.1.1 subnetmask 24 D.ip address 1.1.1.1 255.255.255.248