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Networks - Coggle Diagram
Networks
TCP/IP 4-layer model
Application layer
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Includes web browsers, email systems and file transport systems
Transport layer
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Agrees size of packets to be used, language that will be used etc.
Internet layer
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Splits the data into packets, finds a route for the data and sends the data down that route
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The layers can communicate with the layer above and below them eg Transport layer can communicate with Application and internet layer
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What is the internet?
Started with universities in America laying down cables so they could communicate. Other countries joined in, eventually the whole world was communicating with under sea cables and satellites.
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The Cloud
When you store images on the cloud, the image will be uploaded to a server somewhere, and you can access it
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