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Take A QuizEcho may refer to any of the following:
1. Also called an echo check, an echo is data repeated BACK to the sender by the recipient, to verify that it was received correctly. For example, in a command LINE you can USE the echo command to echo any text to the screen.
2. Echo is also a short way of describing the AMAZON Echo.
3. Echo is the phonetic alphabet pronunciation of the letter "E."
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