Networks

Networks

1. Advantages

   • Share files
     • Share resources
       • Share logins

2. Disadvantages

   • Expensive to set up.
     • Increased risk to hackers!
       • Difficult to set up ans may take a long time as well.

3. Types of Network

   • LAN
     • LOCAL AREA NETWORK
       • A network contained in a single geographical location or organisation.
   • WAN
     • WIDE AREA NETWORK
       • A network that spans a large geographical area, or multiple organisation .
         • Often consists of multiple LANs networked together.

4. Tepology

   • Different types of networks.
     • Bus Topology
       • Disadvantages
         • Catastrophic failure
           • Deta collision
             • Shared information
       • Advantages
         • Cheap
         • Easy to set up
     • Ring Topology
       • Disadvantages
         • Line break
         • Might send information to others
         • Machine turned off
       • Advantages
         • Cheap
         • Easy to set up
     • Star topology
       • This is when some computers are set up with different lines to a switch connected to a hub
   • IP ADRESS
     • An IP adress is used to send important documents to you and your computer.
       • There are different types of IP ADRESSES
         • iF YOU ARE CONECTED TO THE SAME HUB YOU WILL HAVE THE SAME IP ADRESS FOR EXAMPLE CATMOSE HAS THE SAME.
     • UNIQUE value assigened to every computer.