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Add the answer for TCP/UDP real-life use cases #18

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Add the answer for TCP/UDP real-life use cases #18

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4 changes: 3 additions & 1 deletion answers/networking.md
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Expand Up @@ -164,7 +164,9 @@ To be defined.

## TCP or UDP will be used in this case? why?

To be defined.
TCP: used in web browsing, email, file transfers,... because it is a reliable protocol (requires handshake), guarantee the data integrity.
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Hi @hieubz . Thank your for your contribution.
About your answser, I'm afraid that you misundertood the question.
I believe in this question, "this case" refers to the above question ## The other of place to look up DNS..


UDP: used in game, video and music streaming,... because it is faster than TCP (no handshake, no error checking)

## How to know "google.com" require HTTP or HTTPS? how browser can know and redirect from HTTP to HTTPS?

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