Network

Network

1. Types of Network

   • WAN
     • Wide Area Network
     • Network All Over The World
   • LAN
     • Local Area Network
     • A Network In One Location

2. Advantages

   • you can log-in to any computer
   • All your data transfers to another computer when logged in

3. Disadvantages

   • it makes your computer Hackable
   • It can be very expensive

4. topology

   • bus
     • computers connected by a single cable
     • cheap to install
     • lots of collisions
     • slows down as more computers are added
     • high chance of catastrophic failure
   • star
     • computers connected to a central switch
     • fast
     • easy to add new computers
     • low chance of catastrophic failures
     • expensive
     • failure of switch will take down whole network
   • ring
     • a group of computers in a ring
     • cheap to install
     • no collisions
     • difficult to add new computers
     • high chance of failure

5. network adressing

   • IP address
     • an IP address is a unique value assigned to every computer
     • messages on a network have and IP address attached
   • the internet is a huge network with more devices