The number of layers in ISO-OSI reference model is
2018
The number of layers in ISO-OSI reference model is
- A.
5
- B.
7
- C.
9
- D.
6
Attempted by 1050 students.
Show answer & explanation
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