Wired and wireless networks 1.4

Wired and wireless networks 1.4

1. WAN

   • Computers connected over a large geographical area (such as the internet)

2. Client server

   • Workers can access files from any computer
   • All computers can update central databases
   • Backups are managed easily on a client-server as these can be done centrally from the file server, all data is backed up in one go, individual computers don't need to be backed up
   • Antivirus and firewall can be installed and configured from a central location
   • Useful for if there are lots of computers and it will be a high traffic environment

3. LAN

   • Computers connected over a small geographicalarea

4. Peer to peer

   • Users have to log-in to the same computer every time
   • All compters are responsible for backing up their own computers
   • All computers are responsible for backing up their own files
   • individual security may need to be installed on individual machines
   • Appropriate for a small number of computers and a low traffic environment