NetworksNetwork Basics
🌐 Network Basics
Introduction to computer networking concepts, components, and types of networks.
PAN (Personal Area Network)
Connects devices within 10m range — Bluetooth, USB.
LAN (Local Area Network)
Connects devices in a building or office — Ethernet, WiFi.
MAN (Metropolitan Area Network)
Spans a city — cable TV networks, municipal WiFi.
WAN (Wide Area Network)
Connects across continents — the Internet is the largest WAN.
Key Network Components
Routers
Forward data between different networks. Connect LAN to WAN.
Switches
Connect devices within the same network. Use MAC addresses.
Access Points
Provide wireless connectivity to wired networks.
Network Topologies
Bus
Star
Ring
Mesh