TCP/IP vs OSI Model | Key Differences Explained | CCNA Concept

This video explains the difference between the OSI Model and the TCP/IP Model, a foundational CCNA networking concept. You’ll learn how both models structure network communication, how their layers map to each other, and why TCP/IP is used in real-world networks while OSI serves as a conceptual and troubleshooting framework.

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What you'll learn:
Purpose of OSI and TCP/IP models
Number of layers in each model
Layer-to-layer mapping (OSI ↔ TCP/IP)
Protocols used at each layer
Why TCP/IP is practical and OSI is conceptual
Use cases in troubleshooting
CCNA exam relevance

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