网络七层模型顺口溜

OSI七层协议模型顺口溜记忆口诀如下：Please Do Not Tell Stupid People Anything

• Please

  P 物理层 Physical

• Do

  D 数据链路层 Data Link

• Not

  N 网络层 Network

• Tell

  T 传输层 Transport

• Stupid

  S 会话层 Session

• People

  P 表示层 Presentation

• Anything

  A 应用层 Application