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YouTubeGate Smashers
Lec-40: Network Layer | Responsibilities of Network Layer | OSI Model | Computer Networks
👉Subscribe to our new channel:https://www.youtube.com/@varunainashots Network layer is third layer of the OSI model. It provides end-to-end communication and logical addressing between hosts in different networks. It is responsible for routing packets, logical addressing, and providing network-level services. 0:00 - Introduction 0:41 - Host ...
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Network Layer Protocols
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L1, L2, L3 Layer Protocols — The Foundation of Networking Explained Simply Ever wondered how data travels from one device to another — flawlessly, every second? That’s where the magic of Layer 1, Layer 2, and Layer 3 protocols comes in. 📡 Layer 1 (Physical Layer) – Deals with cables, signals, and hardware. ➡️ Protocols: Ethernet, DSL, SONET, USB 🔗 Layer 2 (Data Link Layer) – Ensures data is error-free and properly framed for delivery. ➡️ Protocols: ARP, PPP, Frame Relay, VLAN, STP 🌍 Layer 3 (
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