A.主接口是物理接口 B.備份接口是物理接口 C.主接口是邏輯通道 D.備份接口是邏輯通道
A.靜態(tài)路由 B.直連路由 C.缺省路由 D.動(dòng)態(tài)路由
A.They increase the size of collision domains. B.They allow logical grouping of users by function. C.They can enhance network security. D.They increase the size of broadcast domains while decreasing the number of collision domains. E.They increase the number of broadcast domains while decreasing the size of the broadcast domains. F.They simplify switch administration.