臥龍 發問時間: 教育與參考考試 · 1 0 年前

幫幫忙 我有計概不會

我有一些計概不會 請幫幫忙 謝謝

1.Describe the Polya's promblem solving steps.

2.What is the difference between a network identifier and a host address?

3.There are how many interface softwave layers in the internet protcols,and try to describe their functions.

4.Describe the difference between TCPand UDP in the transport layer.

1 個解答

評分
  • 1 0 年前
    最佳解答

    您好:

    這不是計概的範圍,這是電腦通訊系統的題目了.

    2. IP address= Network ID + Host address

    class A: network ID 8bits+24 bits Host address

    class B:network ID 16 bits+16 bits Host address

    class C:network ID 24 bits+8 bits Host address

    3.Internet protocol's 5 layers

    Physical

    Data Link

    Internet

    Transport

    Application

    4. TCP-connection oriented service,reliable

    UPP-connection-less service,best-effort

    參考資料: Internet Communication
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