Network

Network

1. advantages

   • you can access files on all computers
   • you can share logins and usernames and passwords
   • you can share resources ie. printers and logins

2. disadvantages

   • It is very expensive
   • increases risk of viruses
   • difficult to set up

3. types of networks

   • WAN
     • wide area network
       • large area of network
   • LAN
     • local area network
       • small area of network

4. Network topology

   • bus topology
     • advantage
       • cheap(only one cable).
     • disadvantages
       • high chance of failure and slows down the computer network
   • Ring topology
     • advantage
       • cheap and no collisions (fast)
         • disadvantages
           • difficult to expand, high chance of failure
   • Star topology
     • advantages
       • low chance of failure, no collisions
     • disadvantages
       • expensive and depends on a switch

5. IP Address

   • An IP Address is a unique value assigned to every computer on a network
   • messages sent to a computer are attached with an IP Address so it knows to keep or delete the message