國立暨南國際大學 97 學年度第一學期小考試卷

 
科目名稱:計算機網 路 開課系所:資訊工程 學系 任課教師
吳坤熹
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考試日期
2008.10.23

(考試時間: 14:10-14:25)

  1. (20%) Spell out the following terminologies in data transmission and give brief explanations.
    1. MAC
    2. CSMA/CD
    3. AUI
    4. FDDI




  2. (10%) Compared to CSMA/CD, explain what additional mechanism was introduced to CSMA/CA to avoid the collision in a shared media.





  3. (10%) Explain why an Ethernet frame must have a 64-bit preamble.
    Hint: Ethernet uses Manchester Encoding.






  4. (10%) Consider the LocalTalk network of Apple's Macintosh.  This LAN belongs to the _________ topology.
    LocalTalk
    1. Star
    2. Bus
    3. Ring