Essential Networking Concepts for CCNA
1. Computer Networking Computer networking involves connecting devices to share resources and data. Networks can be classified into LAN (Local Area Network) and WAN (Wide Area Network). Packet Tracer Example: Scenario: Set up a small office LAN with routers, switches, and PCs. Commands: Configure IP addresses using ipconfig on PCs. Test connectivity with ping. 2. Network Devices Key devices in networking include: Router: Routes data between networks. Switch: Connects devices in the same network....