Networks

Networks

1. LAN

   • definition- Local area network
   • Single geographical location

2. WAN

   • wide area network
   • large geographical area

3. share files

   • multiple computers
     • share logins
       • share resources

4. with this files are available of every single com puter that is the network

5. disadvantages:

   • Expensive wiring
     • Malware spreads quick
       • Requires technical expertise
         • More room for error

6. Advantages

   • consistent user experience
     • Every computer
       • communication

7. A network is a group of connected computers that can all access the same things all together and can go on many accounts

   • everyone is the network can access the same time

8. access anywhere is the world at any time

9. Key words :WAN , STAR , BUS , LAN, IP ADRESS , NETWORK , RING, TOPOLOGY

10. Bus topology

    • cheap to install
    • single cable
      • catastrophic failure
      • collisions possible
      • can only allow certain amount of clients
      • if cable breaks will mess up whole thing

11. Ring topology

    • computers only get messages sent to them directly
    • catastrophic fail
    • difficult to add

12. The network topology

    • the layout of computers
    • there are many different topologies

13. ip adress

    • unique value
    • assigned to computer
      • identify

14. The internet

    • there are 2 bil computers
    • The first internet was made in 1969

15. a network administrator gets up to 70000 pounds

16. mesh topology is a network that has different numbers to ell the cost of the different routes beetween nodes