The number of layers in ISO-OSI reference model is
2018
The number of layers in ISO-OSI reference model is
Answer: B. 7 — The OSI model (Open Systems Interconnection model) is a conceptual framework used to understand how different networking protocols interact. It consists of 7…
- A.
5
- B.
7
- C.
9
- D.
6
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Correct answer: B
The OSI model (Open Systems Interconnection model) is a conceptual framework used to understand how different networking protocols interact.
It consists of 7 layers, each responsible for a specific function in data communication.
📌 The 7 layers (bottom to top)
Physical Layer
Data Link Layer
Network Layer
Transport Layer
Session Layer
Presentation Layer
Application Layer
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