Multiple choice

What is the role of OSI model?

  1. It covers all aspects of network communications.

  2. It understands and designs network architecture.

  3. It is a layered framework for the design of network systems that allows communication between only two different systems.

  4. It shows how to facilitate communication between two systems with changing the logic of the underlying hardware and software.

  5. It consists of seven related layers with no separation.
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A Correct answer
Explanation

 Option 1 is correct.

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