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GAQM CFA-001 Exam - Topic 4 Question 127 Discussion

In an echo data hiding technique, the secret message is embedded into a __________as an echo.
A) Cover audio signal
B) Phase spectrum of a digital signal
C) Pseudo-random signal
D) Pseudo- spectrum signal

GAQM CFA-001 Exam - Topic 4 Question 127 Discussion

Actual exam question for GAQM's CFA-001 exam
Question #: 127
Topic #: 4
[All CFA-001 Questions]

In an echo data hiding technique, the secret message is embedded into a __________as an echo.

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Suggested Answer: A

by Meaghan at Aug 18, 2026, 08:46 AM

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Josephine
11 hours ago
I think the answer might be A) Cover audio signal, but I'm not entirely sure. We discussed this in class, and it seems to fit the definition.
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