Network

Network

1. Disadvantages

   • If someone gets hacked they all get hacked
   • It is expensive
   • It takes a technical to set up

2. Advantages

   • Share logins so you can log onto every computer
   • Files available for every computer
   • Use printers and internet

3. Types

   • LAN
     • Local area network
     • It can be used in a certain area
   • WAN
     • Wide area network
     • It can be used across the world

4. Topologies

   • Ring
     • High chance if failure
     • Fast
     • Cheap
     • Difficult to expand
   • Star
     • Expensive
     • stops if switch/Hub fails
     • Fast
     • Low chance of failure
   • Bus
     • Cheap
     • High chance of failure
     • Slows down with more computers you add
     • Lots of collisions (Slow)

5. IP Address

   • An IP address is a unique value assigned to every computer on a network used to identify it.
   • There are 4.294 Billion IP addresses in the world
   • Messages on a network can be sent to the correct computer
   • We have run out of IP addresses and there are not enough for the network
   • There is a unique IP address for every business