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1. 数据链路层服务
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链路:通信链路连接的相邻结点的通信信道。
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1. 组帧
2. 链路接入:点对点链路、广播链路
3. 可靠交付
4. 差错控制
2. 差错控制
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1. 检错重发
2. 前向纠错
3. 反馈校验
4. 检错丢弃
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3. 多路访问控制协议
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4. 局域网
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5. 点对点链路协议
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链路:通信链路连接的相邻结点的通信信道。
本文标题:2021-10-27 五、数据链路层与局域网
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