Network

Network

1. LAN

   • Stands For Local Area Network
   • Used In Buildings Towns And Busnesses
   • Shared By All Computers
   • Easy For Softwear To Be Shared
   • Security Bad
     • Viruses Spread Very Quick
       • Hard To Stop

2. WAN

   • Stands For Wide Area Network
   • Used In Big Buisnesses
     • Or In Big Setups Like The MI5/7
   • Viruses Spread Slowly
     • Easy To Stop
   • The Internet Is A Wan

3. Advantages

   • Share Things Easly
     • Data
     • Email
     • Photos
   • Dont Have To Go To The Same Computer Every Time
   • Dont Have To Remember Different Passwords
   • No Risk Of Losing work
   • Controlled By One Computer
     • Master Computer

4. Disadvantages

   • Expensive
     • Add Computers
     • To Set Up
     • To Maintain
   • Easy To Hack
     • Implant viruses
   • Easy For Viruses To Spread
   • Lacks Stability
   • Lack Of Robustness

5. Topology

   • Bus
     • Cheap To Install
     • High Chance Of Failure
     • Lots Of Collisions
     • Slows Down The As More Components Are Added
     • A Line Of Wire With Branches Coming Off It
   • Star
     • Fast Low Chance Of Collisions
     • Easy To Add More Components
     • Low Chance Of Failure
     • Expensive
     • Relies On One Swich
     • Lots Of Branches Coming Off A Vocal Switch
   • Ring
     • Cheap To Install
     • Shaped In a Circle
     • No Collisions
     • High Chance Of Failure
     • Hard To Add More Components

6. IP Addresses

   • All Unique
     • The Internet is a huge network with more devices than it’s possible to assign a unique address to
       • Unique addresses are assigned to businesses and houses
   • An IP Address is a unique value assigned to every computer on a network, used to identify it