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Which of the following is NOT one of the four layers of the TCP/IP model?

easy📝 Conceptual Q11 of 15
Computer Networks - OSI and TCP/IP Models
Which of the following is NOT one of the four layers of the TCP/IP model?
ATransport Layer
BInternet Layer
CApplication Layer
DSession Layer
Step-by-Step Solution
Solution:

  1. Step 1: Recall the four layers of the TCP/IP model

    The TCP/IP model consists of Application, Transport, Internet, and Network Interface layers.

  2. Step 2: Identify the layer not in the TCP/IP model

    The Session Layer is part of the OSI model, not the TCP/IP model.

  3. Final Answer:

    Session Layer -> Option D

  4. Quick Check:

    TCP/IP layers exclude Session Layer [OK]
Quick Trick: Remember TCP/IP has 4 layers, no Session Layer included [OK]
Common Mistakes:
MISTAKES
  • Confusing OSI model layers with TCP/IP layers
  • Thinking Session Layer is part of TCP/IP
  • Mixing Internet and Network Interface layers

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