@netwithisrar: What is the OSI Reference Model? 🌐 The OSI (Open Systems Interconnection) Model explains how network communication works through 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application. Each layer performs a specific function to support communication between devices. #OSIModel #CCNA #Networking #Cisco #networkingwithisrar

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Sunday 11 October 2026 07:48:33 GMT