Networking Overview & Network Types
Overview
Networking is the process of connecting devices so they can communicate and share information — foundational for IT and cybersecurity since systems must communicate before they can be managed, monitored, or protected.
Key concepts
- LAN, WAN, PAN, MAN
How it works
Networking is the process of connecting devices so they can communicate and share information. Networks connect computers, phones, servers, printers, access points, security cameras, and more. It's foundational for IT and cybersecurity because systems must be able to communicate before they can be managed, monitored, or protected.
Network Types
| Type | Full name | Scope |
|---|---|---|
| LAN | Local Area Network | Connects devices across a small area. |
| WAN | Wide Area Network | Connects networks across large geographic areas. |
| PAN | Personal Area Network | Short-range network connecting personal devices. |
| MAN | Metropolitan Area Network | Connects networks across a city or large campus. |