The OSI model has
7 layers. OSI stands for Open System Interconnection. It is a standard model used in computer networking to describe how data moves from one computer to another.
The model helps break down the communication process into smaller steps, making it easier to understand and manage. Each layer has a specific function, and together they make data communication smooth and organized.
The 7 layers of the OSI model are:
- Physical – Deals with physical connection and transmission of data (like cables and signals).
- Data Link – Manages error detection and data frames between connected devices.
- Network – Responsible for routing data between different networks.
- Transport – Ensures data is delivered correctly and completely.
- Session – Manages communication sessions between applications.
- Presentation – Translates data into a format the application can understand (like encryption).
- Application – Directly interacts with user applications (like web browsers, email, etc.).
Conclusion: The OSI model is made up of 7 layers. It helps us understand how data moves across a network and allows different devices and systems to work together efficiently.
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