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networks - Coggle Diagram

- - - - Disadvantages
        
        Network and organisations would need to consider the costs.
        
        The initial costs of purchasing and installing file servers, network cabling and peripherals can be expensive.
        
        A member of staff may need to be hired and trained to act as a network manager.
        
        if the file server is damaged or breaks down, those files become inaccessible.
        
        Network security as a virus could spread to all computers through the network.
      - Advantages
      - computers can share peripherals such as printers and scanners.
      - This reduces the cost of buying and maintaining peripherals.
      - Programs can be stored on the network’s file server, allowing computers on the network to share software.
      - When an authorised user logs onto any computer on the network, they can access their own files, allowing flexible access from multiple locations
    - - LAN
      - This allows a range of devices to be on a LAN at the same time, for example tablets, PCs and laptops could all connect to the same network.
      - A LAN may be connected to a WAN, for example computers within a school could be connected to the internet
  - - - The computers in a WAN are connected by a telecommunications link, such as the public switched telephone network (PSTN).
      - A Wide Area Network is likely to be composed of several LANs connected together
      - Advantages
        
        have the capability of accessing a vast and diverse range of multimedia resources and services.
        
        Retailers can use e-commerce websites to sell their products to a worldwide market 24/7.
        
        Users are able to use their access to manage bank accounts, shop online and communicate instantly with anyone
        
        Disadvantages
        
        Security concerns
        
        data theft
        
        denial of service attacks
        
        Spamming
        
        Hacking