Networks

Networks

1. Advantages

   • share files and access files from any computer
   • share different resources from all computers
   • share different logins from other computers

2. Disadvantages

   • expensive to run
   • more room for errors between all computers
   • its difficult to run
   • can get hacked

3. types of network

   • LAN- local area network
   • WAN- wide area network

4. Bus topology

   • advantages
     • cheap
     • Easy to setup
   • disadvantages
     • catastrophic failure
     • data collisions
     • slow

5. Ring Topology

   • advantages
     • cheap
     • easy to setup
   • disadvantages
     • catastrophic failure
       • line break
       • system break
     • slow

6. star topology

   • disadvantages
     • catastrophic failure
       • switch/hub
     • expensive
   • advantages
     • no collisions
     • easy to expand
     • fast

7. IP Addresses

   • every computer has a unique value which is on the network
   • messages on networks have ip addresses attached which is how a computer knows whether to keep it or not.
   • internal are the ones people cant see
   • external are the ones people can see which is used on all computers