A.為了最優(yōu)化路徑的選擇 B.為了交換路由表 C.為了實現生成樹協(xié)議 D.為了在VLAN之間通訊
A.interface is down,line protocol is down B.interface is down,line protocol is up C.interface is up,line protocol is down D.interface is up,line protocol is up
A.增加了沖突域的數量 B.降低了廣播域的數量 C.連接了網段1和網段2的廣播 D.隔斷了網段1和網段2之間的廣播