97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区 狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

單項(xiàng)選擇題

Which of the following is true regarding the use of switches and hubs for network connectivity()。

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.

微信掃碼免費(fèi)搜題