多项选择题
Which two of these are characteristics of the 802.1Q protocol?（）
A.it is a layer 2 messaging protocol which maintains vlan configurations across network.
B.it includes an 8-bit field which specifies the priority of a frame.
C.it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.
D.it modifies the 802.3 frame header,and thus requires that the FCS be recomputed.
E.it is a trunking protocol capable of carring untagged frames.
相关考题
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单项选择题
Based on the network shown in the graphic which option contains the potential networking problem and protocol or setting that can to prevent the problem?（）
A.Routing loops, hold down timers
B.Switching loops, split horizon
C.Routing loops, split horizon
D.Switching loops, VTP
E.Routing loops, STP
F.Switching loops, STP -
单项选择题
Which command can be used from a PC to verify the connectivity between hosts that connect through a switch in the same LAN?（）
A.ping address
B.tracert address
C.traceroute address
D.arp address -
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
