发布: 2026/04/21 16:30 阅读: 0
原文作者:Tech with Leens
原文来源:https://www.youtube.com/embed/aTFe43QkfZg
了解计算机网络中的数据链路层 - 物理层和网络层之间的桥梁!在本视频中,您将了解: 数据链路层 LLC 和 MAC 子层的用途及其角色 物理与逻辑拓扑(星形、总线、环形、网状) 访问控制方法(CSMA/CD、CSMA/CA、令牌环) 帧结构(标头、数据、尾部、错误检测) 第 2 层寻址以及帧如何跨 LAN 和 WAN 移动 非常适合 CCNA 学生、网络初学者和想要掌握 OSI 第 2 层概念的 IT 专业人员。 👉 订阅@TechwithLeens 了解更多 CCNA 和网络安全教程!在 Instagram 上关注我们@techwithleens 您可以从这里购买我的习惯追踪器:https://payhip.com/b/qZbfC 感谢您的支持! #DataLinkLayer #NetworkingBasics #OSIModel #NetworkFundamentals #CCNA #Cisco #Layer2 #Ethernet #WirelessLAN #NetworkTopology #CSMACD #CSMACA #TechWithLeens #Cybersecurity
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