Answer Posted / Ranbir Kumar
Telecom AlgorithmsnThe Open Systems Interconnection (OSI) model is a framework used to understand and describe communication systems. It consists of seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.n1) Physical Layer: Transmission of raw bits as electrical or optical signals.n2) Data Link Layer: Framing, error detection, and flow control.n3) Network Layer: Routing and addressing.n4) Transport Layer: End-to-end communication and reliability.n5) Session Layer: Establishment, maintenance, and termination of connections.n6) Presentation Layer: Data formatting and encryption.n7) Application Layer: Provides services to application programs.
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