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[学习资料] CCNA题库详解系列5(艾迪飞CCIE实验室吴老师讲解)

1How does replacing a hub with a switch affect CSMA/CD behavior in an Ethernet network? 

A. It effectively eliminates collisions. 

B. In increases the size of the collision domain by allowing more devices to be connected at once. 

C. It decreases the amount of time that a jam signal must be sent to reach all network devices. 

D. It reduces the total amount of bandwidth available to each device. 

E. It eliminates Layer 3 broadcast traffic. 

Answer: A

解释一下:

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顶一下

谢谢你 吴老师
好东西顶!!!!!!!!!!!!!!!!!!!!!!!!!!
好东西顶!!!!!!!!!!!!!!!!!!!!!!!!!!
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不顶不行,太精典了
dddddddddddddddddddddddddddd一个
顶下,谢谢楼主
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CCNA640-801题库试题分析 超棒

CCNA640-801题库试题分析  超棒
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好的!好的!
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ddddddddddddd
谢谢!!!!!
支持一下讲得很不错
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