• The TCP/IP Network Model is a layered model that describes how networks and internetworking work.
  • The model separates functions into four layers
    • Application Layer
    • Transport Layer
    • Internet Layer
    • Network Access Layer
  • Each layer is independent of the layer above it and below it and the layers don't need to know how the layer operates.

The TCP/IP Network model is covered on the Cisco Certified Network Associate (CCNA), CompTIA Network+ and other certification exams.


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