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Contact UsThe OSI (Open Systems Interconnection) Model is a seven-layer framework used to understand network interactions. Here are the seven layers explained:
The Physical Layer deals with the physical connection between devices, including cables, switches, and the transmission of raw data bits over the network.
The Data Link Layer ensures reliable data transfer between devices on the same network. It handles MAC addresses and error detection/correction.
The Network Layer manages the routing of data packets across multiple networks. It deals with IP addresses, packet forwarding, and routing decisions.
The Transport Layer is responsible for reliable end-to-end communication, flow control, and error recovery. It uses protocols like TCP and UDP.
The Session Layer establishes, manages, and terminates communication sessions between applications, ensuring data integrity and synchronization.
The Presentation Layer formats and translates data between the application and network layers. It also handles encryption, decryption, and data compression.
The Application Layer interacts directly with end-user applications, providing network services such as email, file transfer, and web browsing.