Open System Interconnection (OSI) Module

The seven Open Systems Interconnection layers are:
  • Layer 7: The application layer. ...
  • Layer 6: The presentation layer. ...
  • Layer 5: The session layer. ...
  • Layer 4: The transport layer. ...
  • Layer 3: The network layer. ...
  • Layer 2: The data-link layer. ...
  • Layer 1: The physical layer.




The TCP/IP Model
Physical


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