network

network

1. advantages

   • you can log on to any computer in the school using the same username and password
   • your files are available on every computer you use
   • you are available to share resourses

2. disavantages

   • cost
     • extra hardware and wiring is needed
   • viruses
     • it's easy to get a virus and hard to get it away
   • maintaining network
   • diffcult as requires a tech expert
     • would have to pay too get it done

3. lan

   • local area network a net work contained in a single geographical location or organisatin
   • wan
     • wide area network a network that spans a large geographical area or multiple organistins

4. toplogy

   • bus
     • andvantage
       • it is way cheap to install
     • disanvantage
       • high chance of catatrophic failure
       • lots of collisions
       • slo0w down as more computer are added
   • ring
     • advantages
       • cheap to installl
       • no collisions
     • disanvantages
       • high chance to catasphropic failure
       • difficult to expand
   • star
     • advantages
       • low chances of failure
       • no collisions
     • disanvantages
       • expensive
       • depends on a switch

5. ip address

   • an ip address is a unique value assigned to every ncomputer on a network used to identify it
   • messages on a network have an ip address attached which how a computer konows whether or not keep the message

6. internet

   • mesh
     • advantages
       • its global
       • its un breakble as if a node goes down it goes to a diffrent route
     • disadvantages
       • it has to asablish a route before it sends something