Network Layer Explained | OSI Model Layer 3 in Computer Networking | CCNA | Part- 10 |

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In this video, we explain the Network Layer, which is Layer 3 of the OSI Model, in a clear and beginner-friendly way. The Network Layer is responsible for logical addressing, routing, and path selection, enabling data to travel across different networks.

This topic is extremely important for understanding IP addressing, routing concepts, and real-world data transmission, making it essential for CCNA 200-301 and IT networking roles.

🔍 What You Will Learn in This Video

What is the Network Layer (OSI Layer 3)?

Why the Network Layer is important in computer networking

Key functions of the Network Layer:

Logical addressing (IP addresses)

Routing

Path determination

Packet forwarding

Difference between Network Layer and Data Link Layer

Real-life examples to understand Network Layer operation

🎯 Who Should Watch This Video?

Computer Networking beginners

CCNA 200-301 students

IT Support & Helpdesk learners

Computer science / IT students

Anyone learning OSI Model layer-by-layer

🚀 Why Network Layer Is Important

✔ Enables communication between different networks
✔ Uses IP addresses to identify devices
✔ Determines the best path for data delivery
✔ Forms the backbone of Internet communication

🎓 Topics Covered

• OSI Model Layer 3
• IP addressing basics
• Routing concepts
• Networking fundamentals

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