Computing Revision

Computing Revision

1. A LAN is a computer network that works over a small area like houses and schools. It stands for Local Area Network.

2. A WAN is a computer network that works over a large geographical area like cities and countries. It stands for Wide Area Network.

3. A WPAN is a wireless, personal computer network. It stands for Wireless Personal Area Network.

   • If you are in a big city and you want to use wifi, you use WAN
     • If you are in school, and you want to send an email or use WIFI you use WAN
       • Ethernet and WIFI are the two most commonly used LAN technology.

4. WANS are separate LANS connected together.

5. An Advantage for LAN is it's easier to upgrade.

6. Another advantage for LAN is that you can share peripherals.

7. Malware is a thing that's made to stop your device from running properly and sometimes steals your infromation.

8. Firewall blocks and provents unauthorised users to a network.

9. The Biggest WAN is WIFI

10. Data Transfer is how fast data transfers.

11. Computers can only have a wireless connection if they have a wireless NIC (Network Interface Card)

12. Encryption scrambles your data so people can't read it.

13. WAN is the biggest network connection