Networks!

Networks!

1. Advantages

   • A single account works on all devices
   • you only need to update one device for all to update
   • you can print from any computer
   • files can be accessed from any computer

2. Disadvantages

   • if one computor on the netork gets a virus all the computors do
   • it can be more exspensive as more hardware is needed
   • difficult it requires skiled people to setup
   • lack of independence

3. types of network

   • WAN
     • Wide area network
   • LAN
     • Local area network

4. Topology

   • Bus Topology
     • consists of a main cable running through the middle
       • if that cable breaks the system dies
     • the computers have wires connecting them to the main cable
     • a old style of topology
     • bus Topology is cheap and easy to setup
   • Ring Topology
     • Ring style Topology has computers connected in a ring
     • the communication only works in one direction
     • if one cable breaks the system goes down
     • ring topology is cheap to set up and fast
     • high chances of bad problems
     • its hard to add computers
   • star Topology
     • all computers a connected through a central switch
     • this switch directs the traffic to the correct computers
     • most popular network as it's fast and easy to use
     • if one computer dies the others are fine. but if the switch breaks it all fails

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