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OSI Layers & Protocols Explained | CCNA Must-Know Concept | Networking Basics
🌐 OSI Layers & Protocols — The Core of Computer Networking. In this video, we break down how data travels through all OSI layers and which protocols work at each level — crucial for CCNA, CCNP & IT job interviews. 💡 What You’ll Learn: What each OSI layer does Real protocols used in every layer OSI vs TCP/IP model Why IT engineers ...
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