Network

Network

1. Types Of Networks

   • LAN
     • Local Area Network
       • A network in a small area or single organisation
   • WAN
     • Wide Area Network
       • A network that spans a large area or multiple organisations

2. Disadvantages

   • Expensive
     • Cost would be expensive to set up
   • More room for error
     • Problems like a virus
   • Difficult
     • Expertise is needed to set up and maintain a network

3. Advantages

   • Share login
     • So the same username and password can be used on every computer on the network
   • Share files
     • So the same files are available on any computer you use
   • Share resources
     • Such as printers and internet connection

4. Topologies

   • Bus Topologies
     • Advantages
       • Cheap to install
     • Disadvantages
       • High chance of catastrophic failure
       • slows down when more computers are added
   • Ring topology
     • Advantages
       • No collisions
       • Cheap
     • disadvantages
       • Difficult to add new computers
   • Star Topology
     • Advantages
       • Fast
       • Easy to add computers
       • low chance of catastrophic faliure
     • Disadvantages
       • Expensive
       • faliure of the switch will take down the network