Discuss Forum

1. In TCP/IP model which one is not a valid layer ?

  • A. Presentation Layer
  • B. Presentation Layer
  • C. Presentation Layer
  • D. Presentation Layer

Answer: Option B

Explanation:

In the OSI model, the data link layer and physical are separate layers. In TCP, physical and data link are both combined as a single host - to - network layer.

Session and presentation layers are not a part of the TCP model. There is no session and presentation layer in TCP model.

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