Explain OSI model ?
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OSI (open system interconnection): OSI having 7 layers for communication which is work on a standard model which named is IOS (inter connection model).OSI model is a conceptual model that characterizes and standard with the communication functions of a telecommunication without any regard . its underlying internal structure and technology.
All 7 layers of OSI model is given below :
1. Physical Layer
2. Data link Layer
3. Network Layer
4. Transport Layer
5. Session Layer
6. Presentation Layer
7. Application layer