A.route ip B.ip route C.show ip D.ip show
A.PAP B.IPCP C.CHAP D.RADIUS
A.48 B.32 C.46 D.24
A.255.255.255.0 B.255.0.0.0 C.255.255.0.0 D.255.255.255.192
A.物理鏈路有問(wèn)題 B.接口被管理員shutdown了 C.參數(shù)配置不正確 D.沒(méi)大問(wèn)題,重啟路由器就行了
A.show ip access-list B.show ip-access-list C.display ip access-list D.show ip access list
A.120 B.80 C.60 D.40