Computer Networking Basics: Topologies, LAN, MAN, WAN & Corporate VPN Architecture

00:00 - Introduction & Class Setup 00:55 - What is Network Topology? 02:25 - Mesh Topology Explained 06:17 - Bus Topology 08:03 - Ring Topology 08:33 - Star Topology 09:40 - Topology Visual Architecture & Comparison 11:55 - Tree & Hybrid Topology 13:54 - Network Types: LAN, MAN, WAN 16:55 - PAN & CAN Overview 18:08 - How Corporate VPNs Work (Live Diagram Breakdown)