Mastering IP Addressing — The Backbone of Every Network! Every device connected to the internet or a local network relies on an IP address to communicate. Understanding how IP addressing, subnetting, and network classes work is essential for every networking professional. #Networking #CCNA #IPaddress #Subnetting #NetworkClasses #PrivateIP #TechEducation #networkengineer #NetworkingWithIsrar #trendingnow #highquality #fblifestyle | Networking with Israr

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 (