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基础篇.md
[[Pasted image 20250119172346.png]] ![[Pasted image 20250119172412.png]] 应用层的数据包会传给传输 ... 交换机里的模块进行接收到达网线接口的电信号并转换为数字信号,通过包末尾的 FCS 校验错误,如果没问题则放到缓冲区。 计算机的网卡本身具有 MAC 地址,并通过核对收 ...
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