Network Security

Network Security

1. Local Area Network (LAN)

   • Small Geographical area
     • School
   • Connected with Nodes
     • Can connect to networks

2. Wide Access Network (WAN)

   • Large Geographical area
     • Example; 4G networks
   • Connected with nodes

3. Firewall - The firewall controls data packets that the programs would like to send and receive by other computers this stops the computer from receiving malicious data that will harm your computer and make the computer get a virus.

   • Gaps in the firewall are called 'ports'.