312-49 · Question #474
312-49 Question #474: Real Exam Question with Answer & Explanation
The correct answer is C: Cover generation techniques. Cover generation techniques in steganography involve dynamically creating the cover medium (the carrier file) specifically to embed the secret message, rather than selecting a pre-existing file. This approach ensures the cover is purpose-built to conceal communication with minima
Question
Which of the following Steganography techniques allows you to encode information that ensures creation of cover for secret communication?
Options
- ASubstitution techniques
- BTransform domain techniques
- CCover generation techniques
- DSpread spectrum techniques
Explanation
Cover generation techniques in steganography involve dynamically creating the cover medium (the carrier file) specifically to embed the secret message, rather than selecting a pre-existing file. This approach ensures the cover is purpose-built to conceal communication with minimal statistical anomalies. Substitution techniques replace least-significant bits, transform domain techniques hide data in frequency domains (e.g., DCT in JPEG), and spread spectrum distributes the message across frequencies — but only cover generation creates the carrier itself as camouflage for the communication.
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