networks

networks

1. advantages

   • share resorces/ data
   • share login details
   • helps comunication
   • you can print/ use the internet/ email and use the same software on any computor
   • share files

2. disadvantages

   • costs a lot to set up
   • many security concerns
   • lack of indepndence
     • lack of robustness
   • if one computor gets a virus, they all do
   • requires much technical expertise

3. types of networks

   • LAN
     • local area network
     • a network contained in a single geographical area or organisation
   • WAN
     • wide area network
     • a network contained in multiple geographical areas or multiple organisations

4. topologies

   • star
     • all computors are connected to a central switch
       • advantages
         • fast
         • easy to add to
         • low chance of failiure
       • dissadvantages
         • expensive
   • ring
     • computors are connected in a ring
   • bus
     • a single network that runs through the network

5. ip addresses

   • every device has a unique ip address
   • they make it harder to find oersonal details
   • companys have larger set ip adresses