Networkingpatch

🔹 Interview Question
Q: What is the primary function of a switch?
Answer:
A switch connects devices within the same LAN and forwards frames based on MAC addresses, enabling efficient local communication.
📌 Key Point
Router connects Networks.
Switch connects Devices within a Network. 🚀

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🌐 The Tech Trinity Simplified
​Router = The Path Chooser 📍 (Directs traffic between different networks)
​Switch = The Local Connector 🔌 (Connects devices together within the same network)
​Firewall = The Security Guard 🛡️

🏠 Home Wi-Fi Router Connecting Your Network to the Internet 🌍

A Router allows devices like mobiles, laptops, and smart TVs to access the Internet through a Wi-Fi connection.

Multiple Ethernet/WAN ports, Often has antennas (home routers) & Uses routing table

NetworkSecurity

🌐 What is Best Path Selection?

Best path selection is the process where a Router chooses the most efficient route to send packets from source to destination.

👉 Simple:
“Router finds the best route for data transmission.”