Computer Networks/Concepts/TCP/IP Model

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This lesson covers the TCP/IP model.

Objectives and Skills[edit]

Objectives and skills for the TCP/IP model portion of Network+ certification include:[1]

  • Compare the layers of the OSI and TCP/IP models.
    • TCP/IP model:
      • Network Interface Layer (Link Layer)
      • Internet Layer
      • Transport Layer
      • Application Layer


  1. Read Introduction.
  2. Read Wikipedia: Internet protocol suite.
  3. Read Wikipedia: Link layer.
  4. Read Wikipedia: Internet layer.
  5. Read Wikipedia: Transport layer.
  6. Read Wikipedia: Application layer.


  1. Watch YouTube: The TCP/IP Model - CompTIA Network+ N10-005: 1.1.


See Also[edit]