单选题Which one of the following characteristics is true regarding the use of hubs and switches?（）AHubs can have their ports be configured with VLANsBUsing hubs is costly with regard to bandwidth availability.CSwitches can not forward broadcasts.DSwitches are more efficient than hubs in processing frames.ESwitches increase the number of collision domains in the network.
单选题
Which one of the following characteristics is true regarding the use of hubs and switches?（）
A
Hubs can have their ports be configured with VLANs
B
Using hubs is costly with regard to bandwidth availability.
C
Switches can not forward broadcasts.
D
Switches are more efficient than hubs in processing frames.
E
Switches increase the number of collision domains in the network.
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