多项选择题
Which two protocols are used by bridges and/or switches to prevent loops in a layer 2 network?（）
A.802.1d
B.VTP
C.802.1q
D.STP
E.SAP
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相关考题
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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?（）
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 two benefits are provided by using a hierarchical addressing network addressing scheme?（）
A. reduces routing table entries
B. auto-negotiation of media rates
C. efficient utilization of MAC addresses
D. dedicated communications between devices
E. ease of management and trouble shooting
