🚀 OSI Model Explained ⚡ Layer 7 Application 🌐 User interaction HTTP FTP SMTP ⚡ Layer 6 Presentation 📊 Data format and encryption ⚡ Layer 5 Session 🔗 Session management ⚡ Layer 4 Transport 📦 TCP UDP communication ⚡ Layer 3 Network 🌍 IP addressing and routing ⚡ Layer 2 Data Link 🔌 MAC address switching ⚡ Layer 1 Physical ⚡ Cables signals hardware OSI model explains how data moves from one device to another through 7 layers. #OSI #Networking #CCNA #ITVision #NetworkingwithKhalid