Chapter 5 Link Layer

Others 2021-03-19 21:25:03 views: null

1. Overview of the link layer

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2. Error detection and correction mechanism

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If the number of 1s in the sent data is odd, it means odd parity, and if the number of 1s in the sent data is even, it means even parity.

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Three, multiple access links and protocols

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1. Channel Division Protocol
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TDMA
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Frequency division multiple access FDMA
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2. Random Access Protocol
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ALOHA agreement
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CSMA agreement

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CSMA / CD
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3. Take turns agreement

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Fourth, link layer addressing and ARP

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Five, Ethernet

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Six, link layer switch

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Origin blog.csdn.net/weixin_45014721/article/details/112135742
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