Networks !

Networks !

1. advantages

   • you can go on a computer anywhere
   • share work easily
   • easy access
   • files available anywhere
   • sharing resources

2. disadvantages

   • can be expensive
   • more room for error
   • it could be difficult as it requires technical expertise
     • if one gets hacked everyone gets hacked

3. types of network

   • LAN
     • local area network
     • one organisations
     • small area
   • WAN
     • wide area network
     • multiple organisations
     • consists of multiple LANS

4. network topology

   • bus topology
     • advantages
       • cheap to install
     • disadvantages
       • high chance of catastorphic
       • lots of collisions
       • more computers are added
   • ring topology
     • advantages
       • cheap to install
       • no collision
     • disadvantages
       • high chance of catastrophic
       • difficult to expand
   • star topology
     • advantages
       • low chance of failure
       • no collisions
     • disadvantages
       • expensive
       • depends on the switch
   • mesh topology
     • advantages
       • manages high amount of traffic
     • disadvantages
       • expensive
       • hard to build and maintain
       • high chance of redundant connection
       • it is difficult to install

5. IP address

   • it is a unique value assigned to every computer
   • messages on a network has an IP address attached which the computer knows whether to keep the message
   • a unique address are assigned to businesses and houses