Cyber Security Interview Questions and Answers › Cyber Security
TCP vs UDP: what is the difference?
Both carry data between computers. TCP makes a connection first and checks every piece arrived. UDP just sends, with no checking. Choosing the wrong one makes apps slow or unreliable.

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Both carry data between computers. TCP makes a connection first and checks every piece arrived. UDP just sends, with no checking. Choosing the wrong one makes apps slow or unreliable.
Learn more in the lesson: 3.4 TCP vs UDP