OSI Network Layers

The seven Open Systems Interconnection layers

  • 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

References

https://searchnetworking.techtarget.com/definition/OSI