APCSP

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The Internet Take 10

Last updated 2:58 AM on 4/13/26
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5 Terms

1
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Internet Protocol Stack

Application Layer, Transport Layer, Internet Layer, Physical Layer

2
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Application Layer

  • DNS (ex. Google.com)

  • HTTP Protocol - make a GET or POST data

3
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Transport Layer

  • TCP Protocol - breakdown message into packets, address the packets, order the packets, confirms receipt or resend

  • UDP Protocol - breakdown message into packets, address the packets, does not confirm receipt or resend, minimal error checking

4
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Internet Layer

  • IP Protocol - all devices have an IP address - issued by router

5
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Physical Layer

  • Devices - computers, servers, routers

  • Connections - wires (copper), cables (fiber optic), wifi (radio waves)