大 俠 asked in 社會與文化語言 · 1 decade ago

有一題CCNA參考書上的題目老是作錯(SW),請協助

Which of the following is a characteristic of having a network segment on a switch?

A. The segment is many collision domains.

B. The segment can translate from one media to a different media.

C. All devices on a segment are part of a different broadcast domain.

D. One device per degment can send frames to the switch at a time.

為什麼答案是D不是A呢?我同一題錯三次,觀念改不過來,請幫我分析一下好嗎?

Update:

糟,貼錯區了。

麻煩啦!

請懂英文又懂網路的學長幫個忙吧

Update 2:

D 字打錯了degment > segment

1 Answer

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  • 1 decade ago
    Favorite Answer

    首先先看題目,它要問使用switch在在網路上的"特性(特有的)"是什麼?

    所以應該是做device的比較,來看看答案

    你說的a "The segment is many collision domains."

    sw是可以增加collision domain,使交通不用這麼塞,各個切割出來。

    所以不是many應該要用own。(各segment有自已的collsion domain)

    答案d "One device per degment can send frames to the switch at a time."

    這個就把sw的特色點出了(與hub比較),每個segment可以做同時的交換遶送(全雙工),但 hub就不行囉~希望以上可以解答你的問題。

    Source(s): 一個很遲遲還沒去考na的人...zz
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