Networks

Networks

1. types of networks

   • LAN
     • a network accesable to local users only
     • Local Area Network
   • WAM
     • a network accesible to anyone around the world
     • Wide Area Network

2. advantages

   • all computers are connected
   • you can access all your files from any device
   • can contact anyone from around the world

3. disadvantages

   • vunrable to hackers
   • progress could be lost if main server breaks down

4. IP Adresses

   • there are over4 billion unique adresses but this isnt enough so there are internal and external adresses
   • a unique address that identifies a device on the internet or a local network
   • An IP address is a long binary number, made of ones and zeros

5. topologies

   • bus
     • high chance of catastophic faliures
     • high chance of data collisions
   • star
     • expensive
     • low chance of data collisions
     • low chance of catastophic faliures
   • ring
     • low chance of data collisions
     • high chance of catastophic faliure