A network is a system that connects two or more devices (like computers, servers, phones) so they can share data, resources, and communicate with each other.
Types of Networks:
| Type | Full Form | Description | Example |
|---|---|---|---|
| LAN | Local Area Network | Covers small areas (home, office) | Office computers |
| WAN | Wide Area Network | Covers large geographical areas | The Internet |
| MAN | Metropolitan Area Network | Spans a city or large campus | ISP network in a city |
| PAN | Personal Area Network | Very small range (individual) | Bluetooth, hotspot |
| VPN | Virtual Private Network | Secure, encrypted connection over internet | Remote work access |
