多项选择题
Which two benefits are provided by creating VLANs? （）
A.added security B.dedicated bandwidth C.provides segmentation D.allows switches to route traffic between subinterfaces E.contains collisions
多项选择题 Which of the following are key characteristics of PPP (Choose three.)（）。
多项选择题 Whichthreeelementsmustbeusedwhenyouconfigurearouterinterfaceforvlantrunking？（）
多项选择题 Which two benefits are provided by using a hierarchical addressing network addressing scheme? （）
