Networks

Networks

1. LAN (Local Area Network)

   • Connected devices spread over a small area
   • Advantages
     • Can connect to a variety of devices
   • Disadvantages
     • Network security. If a virus gets on the compter, it's going to spread quickly across the network
   • wifi
     • Advantages
       • Can be used for portable devices
       • Can connect more devices
     • Disadvantages
       • slower data transfer speed
       • Shorter range
   • Ethernet
     • A wired connection
     • Disadvantages
     • Advantages
   • Items which can be used to create a LAN
     • Switch - connects everything together
     • Network Interface Card (NIC)
     • ethernet cable
     • router

2. WAN

   • Advantages
     • Covers large geographical areas
   • Disadvantages
     • Slower than a LAN as it covers more geographical areas
     • Expensive
   • Wide Area Newtwork
     • Networks connected together over a large geographical area