Networks

Networks

1. Advantages

   • Easy data upload
   • use any computer on the network

2. Disadvantages

   • Expensive
   • Easy to hack the system

3. Keywords

   • IP address
   • WAN
   • LAN
   • Ring
   • Topology
   • Bus
   • Network
   • Star

4. Bus topology

   • the network consists of a single cable that runs the network and all devices connected to it
   • Advantatges
     • Cheap to install
   • Disadvantages
     • High chance of catastrophic failure
     • High chance of collisions
     • The network gets slower as it gets bigger

5. Ring topology

   • computers are connected in a ring. Communications only go in one direction. Each computer receives a message and if it isn't for that recipient it moves to the next computer
   • advantages
     • cheap to install
     • no collisions
   • disadvantages
     • high chance of catastrophic failure
     • difficult to expand

6. IP Addresses

   • Internet Protocol Address
   • When a computer is added to a network it is assigned an IP address
   • Messages on a network have an IP address attached, which is how a computer knows how to keep a message or not
   • It is impossible for every computer to have an individual IP address