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OSI Model Layers and Purposes

Identify the purpose and use-case of each OSI Model Layer.

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Provides services directly to end-users and applications, like email or file transfer.
Ensures reliable data transfer and error correction between hosts.
Deals with the physical transmission of data over network media.
Handles logical addressing, routing, and data packet forwarding.
Manages and controls communication sessions between computers.
Translates data between the application and network formats, ensuring proper encoding and encryption.
Controls data framing, error detection, and medium access control.
Layer 3
Layer 5
Layer 6
Layer 2
Layer 7
Layer 1
Layer 4