network

network

1. advantages

   • you can print on all computers
   • same files are available which ever computer you use
   • so the same password and username can be on all computers

2. types of network

   • lan- a local area network
     • a network in a small are or a single organisation
   • wan- wide area network
     • wan is a a network that supports a large area or multiple organisations

3. disadvanteges

   • it costs a lot of money
   • it can be corrupted by one virus
   • experts need to fix the computers if it goes wrong

4. topoligies

   • star
     • it is a shape of a star and has the switch in the middle of the star
       • advanteges
         • low chance to fail
         • no collisions
       • dis advanteges
         • expensive
         • depends on a switch
   • bus
     • a long line
       • advanteges
         • cheap to install
       • disadvanteges
         • collisions
         • failure
   • ring
     • is a circle
     • advanteges
       • no collisions
       • cheap
     • disadvanteges
       • high chance of failure
       • hard to expand

5. ip adress

   • definition
     • a ip adress is a unique value on every computer
   • what is it for
     • so your messeges go to the right people
   • how many ip adresses are there
     • what dose one look like
       • 86.188.242.210
     • there are 4228250625

6. internet

   • how are routes between nodes chosen
     • the shortest cost from the start to finish
   • how are large files set
     • get broken down into smaller peices
   • what of topology
     • mesh typology