How many layers are there in the OSI reference model?
Correct answer: A. 7
- A. 7
- B. 8
- C. 9
- D. 10
Explanation
The OSI (Open Systems Interconnection) reference model is a conceptual framework that defines seven layers for communication between network systems. These layers provide a standard way to develop network protocols that can interoperate with each other, regardless of the underlying physical network technology
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