文章目录

• 1 概述
• • 1.1 802.3 物理层规范
  • 1.2 以太网标准中后缀 -T、-F、-X 含义
• 2 分类
• • 2.1 快速以太网（802.3μ、百兆）
  • 2.2 千兆以太网（802.3z、802.3ab）
  • 2.3 万兆以太网（802.3ae）
• 3 扩展
• • 3.1 网工软考真题

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