1. A typical personal network or PAN
connecting devices.
(Bluetooth shown)

2. A typical network or LAN connecting computers in a lab or building.
(Ethernet shown)

3. A typical home network or HAN connecting computers in a house.
(WiFi shown)

4. By Robo56 (Own work) [CC BY-SA 3. 0 (http://creativecommons
By Robo56 (Own work) [CC BY-SA 3.0 ( or GFDL ( via Wikimedia Commons
A typical metro network or MAN connecting computers in a city. (WiFi shown)

5. A typical wide area network or WAN.
MAN
A typical wide area network or WAN.

6. Global Area Network