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Amateur Extra Class (Element 4) • 2024-2028

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Question E8C08

From subelement E8 - E8C

E8C08
Answer: D

How does ARQ accomplish error correction?

ASpecial binary codes provide automatic correction
BSpecial polynomial codes provide automatic correction
CIf errors are detected, redundant data is substituted
DIf errors are detected, a retransmission is requested