networks

networks

1. ADVANTAGES

   • use on all computers
   • consistent user experience
   • files available on all computers
   • you can
     • print
     • email
     • use internet
     • use the same software

2. DISADVANTAGES

   • expensive
   • more room for error
   • difficult
   • malware

3. A NETWORK IS A GROUP OF COMPUTERS CONNECTED TOGETHER SO THEY CAN COMMUNICATE

4. LAN

   • Local Area Network
   • network containing a single geographical location or organisation

5. WAN

   • Wide Area Network
   • a network that spans a large geographical area, or multiple organisation

6. network topologies is an arangement of computers

   • and other elements of a network
   • NETWORK TOPOLIGES
     • its cheap
     • high chance of catastrophic faliure
     • lots of collision

7. RING TOPOLOGY

   • cheap
   • no collision
   • high chance of catastrophic falilure
   • difficult to expand

8. STAR TOPOLOGY

   • Low chance of failure
   • no collision
   • expensive
   • depends on switch

9. MESH TOPOLOGY

   • messages can be received
   • messages go through quickly

10. BUS TOPOLOGY

    • easy
    • cheap
    • if main cable fails all of it will

11. a ip address is a unique value

    • its assigned to every computer
    • messages on a network have an ip address
      • thats how computers know to keep a message or not
    • unique addresses are assigned to buisnesses and houses