Basic knowledge of Networking (day 0 )
🟦 What Is Networking? Networking is the process of connecting two or more devices so they can share data, files, internet, and resources (like printers or servers). A network allows devices to: Communicate with each other Access shared services Share the same internet connection Transfer data quickly Simple example: When your phone connects to Wi-Fi and you send a message to your friend, that communication happens through a network. 🟦 Devices on a Network These are the most common devices you see in a network: 1. Host (End Devices) Devices used by people. Computers Laptops Mobile phones Tablets Servers 2. Switch Connects devices inside the same network (LAN). Uses MAC addresses to forward data. 3. Router Connects different networks together. Uses IP addresses to route data between networks and the internet. 4. Access Point (AP) Provides Wi-Fi connectivity for wireless devices. 5. Firewall Protects the network by allowing or blocking ...