多项选择题
Which two link protocols are used to carry multiple VLANs over a single link?（）
A.VTP B.802.1q C.IGP D.ISL E.802.3u
多项选择题 Which two benefits are provided by creating VLANs?（）
多项选择题 Which two benefits are provided by using a hierarchical addressing network addressing scheme?（）
多项选择题 Which two tasks does the Dynamic Host Configuration Protocol perform?（）
