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Content description VCDTDS035

Digital Technologies / Levels 7 and 8 / Digital Systems
Content description
Investigate how data is transmitted and secured in wired, wireless and mobile networks
  1. explaining that networks have components that control the movement of data, for example routers, hubs, switches and bridges manage data traffic and that the characteristics of these components impact on the operation (speed and security) of networks
  2. explaining how cellular radio towers (transceivers) and mobile phones work together to create mobile networks
  3. comparing the reliability and speed of transmitting data through wireless, wired and mobile networks
  4. recognising that there are different communications protocols for transmitting data in networks, for example hypertext transfer protocol (HTTP) is used for transferring web page files in a browser, file transfer protocol (FTP) is used for sending and receiving any files over a network and transmission control protocol/internet protocol (TCP/IP) is used for controlling file transfers over the internet
Curriculum resources and support
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