network

network

1. types of networks

   • LAN- local area network
     • a local network in small groups like schools
     • WAN- wide area network
       • a network that is in a wide group like countrys

2. disadvantages

   • most networks are expensive to set up
   • if there was a virus it would spread around all the computers

3. advantages

   • files

4. IP address

   • when a computer is added to a network it is give an ip address

5. topology

   • star
   • ring
   • bus
   • types of topology

6. internet

   • mesh topology
     • a message can take multiple routes if a path to the needed node is interrupted, it can take another path
   • routing
     • each node tests multiple different connections and assigns each a cost
   • packets
     • all data is split into small chunks ad sent independently