network

network

1. what networks allow computer

   • share files so the same files are available which ever computer you go to
     • share resources such as printers and internet connection
       • share logging so the same username and password can on every computer on the network

2. disadvantages of networks

   • cost: networks are expensive to set up
     • increased risk: problems such as virus can affect every computer on the network
       • difficulty: expertise is needed to set up and maintain a network

3. bus topology are networks that consists of a single cable that runs through the network

   • advantages its cheap to install
     • disadvantages there is a high chance of catastrophic failure it takes out the entire network
       • high chance of collision communication crash
         • BUS
           • RING
             • ring connects to clients in a circle communications only go in one direction
               • advantages cheep and has no commuication there is one cable on computer
                 • disadvantages cataphobia high difficult to add to new computers
             • STAR
               • all connected to a centerd switch
                 • diffrent traffic goes to the right computer
                   • advantages there is a low chance of failure
                     • the dissadvantages are there is a high fail of switch

4. IP addresses

   • IP addresses ( internet protocall address)
   • we use iP adrresses because its an internet protical address

5. WAN

   • wan is a wide world network
   • LAN
     • LAN is a local area network