EC-Council
312-49 · Question #143
In an echo data hiding technique, the secret message is embedded into a __________as an echo.
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Submitted by naveen.iyer· Apr 18, 2026Malware Forensics
Question
In an echo data hiding technique, the secret message is embedded into a __________as an echo.
Options
- ACover audio signal
- BPhase spectrum of a digital signal
- CPseudo-random signal
- DPseudo- spectrum signal
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Topics
#Data Hiding#Steganography#Audio Steganography#Echo Hiding