填空题

以太网使用的技术是().

【参考答案】

载波侦听多址/冲突检测CSMA/CD
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热门 试题

单项选择题
W:I heard that they are hiring part-time sales help at the bookstore.M:Great! I could use some extra cash!Q:What is the man probably going to do?()

A.Sell his text books.
B.Get some extra help.
C.Go to the bank.
D.Apply for the job

单项选择题
W:Raise your hat a little bit and hold the saddle and smile a little.You look wonderful posing like that. Shall I press the shutter?M:Wait a minute.Let me put on a cowboy hat.Q:What are the speakers doing?()

A.Riding a horse.
B.Shooting a movie.
C.Playing a game.
D.Taking a photo.

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