单项选择题
A.Switches take less time to process frames than hubs take.
B.Switches do not forward broadcasts.
C.Hubs can filter frames.
D.Using hubs can increase the amount of bandwidth available to hosts.
E.Switches increase the number of collision domains in the network.
单项选择题 Which command will show the MAC addresses of stations connected to switch ports?（）
多项选择题 Refer to the exhibit.The network administrator requires easy configuration options and minimal routingprotocol traffic.Which two options provide adequate routing table information for traffic that passes betweenthe two routers and satisfy the requests of the network administrator？（）
单项选择题 QoS policies are applied on the switches of a LAN. Which type of command will show the effects of the policy in real time?（）