Networks

Networks

1. types of networks

   • LAN
     • local area network only 1 area
   • WAN
     • wide area network multable locations
   • ring topology
     • advantages
       • cheap
       • no data collision
     • disadvantages
       • difficult to add new computer
       • catastrophic failure
   • star tyology
     • disadvantages
       • expensive
       • depends on a swich
     • advantages
       • no data collisions
       • low chance of catastrophic failure
       • easy to add new computers
   • bus network
     • disadvantages
       • if break nothing works
       • catastrophic failure
       • data collision
       • slow network if lots of computers
     • advantages
       • very cheap

2. advantages

   • computers conected
   • easy to print {if printer conected}
   • if you save a file on 1 computer it will save on all
   • easy to share files
   • can be easy to setup a small network

3. disadvantages

   • easy to hack
   • needs a lot of expensive wires to conect
   • 1 computer gets virus all computers do
   • also workers to maintain computers
   • can be expensive

4. ip address

   • unique addresses are assighedvto businesses and houses
   • an ip address is a unigue value assigned to every computer/network to identify it
   • messages on a network have an IP address attached which is how a computer knows whether or not tp keep the messages

5. computer science

   • spred sheets
     • google shetes
       • google sheets is a free spread sheet app that runs a webb browser