networks

networks

1. advantages

   • consistent user experience-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, even if you created them on a different computer
   • you can print, use the internet, email and use the same software on any computer

2. disandvantages

   • cost
     • networks are expensive to set up
   • increased risk
     • problems such as viruses can effect every computer network
   • difficulty
     • epertise is needed to set up and maintain a network

3. WAN

   • LAN

4. the internet

   • a giant mesh of computers
   • there are multiple different routes between ant two nodes
   • it is impossible to break the internet, since another route can always be found
   • disadvantage
     • you need to design a route first
       • a cost is assigned to each connecrion in mesh route-finding algorithms, used to find the lowesr cost routes between the nodes