Multiple choice

Which of the following statements is incorrect about TCP/IP model?

  1. The TCP/IP model is a reference model.

  2. TCP/IP is an open standard, which means that one company does not control it.

  3. Application layer of TCP/IP model works similar to the application layers of application, presentation and session layers of OSI models.

  4. Application, transport, internet and network are four layers of TCP/IP model.

  5. The TCP/IP model defines the four communication functions that protocols perform.
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A Correct answer
Explanation

It is an incorrect statement. The TCP/IP model is a protocol model because it describes the functions that occur at each layer of protocols within the TCP/IP suite.

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