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2.2 NETWORK ARCHITECTURE - Coggle Diagram

- - - - one or more computers act as a server and the other computers on the network request services from the server
    - - A server is a computer that serves information or other services to other computers in a network
      - Types of server
        
        File server
        
        stores & manage files
        
        Print server
        
        manages printers & documents being printed
        
        Database server
        
        stores & provides access to a database
        
        Network server
        
        manages network traffic (activity)
        
        Web server
        
        a computer that delivers requested web pages to your computer
    - - Centralized: resources & data security are controlled through the server
      - Backup: all data is stored centrally as it is easy to backup
    - - When the server goes down all the computers connected to it become unavailable to use
      - More expensive than a peer-to-peer network you have to pay for the start-up cost
  - - - Each computer, called a peer, has equal responsibilities & capabilities, sharing hardware (such as printer), data or information with other computers and mobile devices
    - - Easy & simple to set up only requiring a hub or a switch to connect all computer together
      - Can access any file on the computer as-long as it is set to a shared folder
      - If one computer fails to work all the other computers connected to it still continue to work
    - - Security is not good other than setting passwords for files that dont want people to access
      - If the connections are not connected to the computers properly then there can be problems accessing certain files
      - It does not run efficient if you have many computers, it is the best to used two to eight computers
    - - BitTorrent: downloading movie, song
      - LimeWire: downloading movie, song
      - Skype
      - Share
    - - Ideal for very small businesses & home users
        
        A small pharmacy outlet
        
        An automobile service centre
        
        A small clinic