networks

networks

1. LAN

   • local area network covers a small area.
     • example- school network
     • networks
       • bus network
         • advantages
           • easy to install, cheap, doesnt require much cable
           • disadvantages
             • performance can get slower, if one fails all will fail
         • advantages
           • can transfer data quickly
           • disadvantages
             • all again will fail if one fails
       • Ring network
         • all connected
       • star networks
         • very reliablle

2. WAN

   • Wide area network covers a large area
   • example- internet

3. Advantages of networks

   • saves money sharing devices
     • can be shared easily
     • data is easy to backup

4. disadvantages of networks

   • purchasing network cables etc is expensive
   • extremely complicated
     • so therefore gonna have to pay for someone to sort it

5. shared networks

   • files can be shared
     • a school thinking about changing the pcs from stand alone to networking them together
   • cheap
   • shared internet connection