Steganography — MCQs | Digital Image Processing

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1. What is the primary goal of steganography in digital image processing?



2. Which domain is commonly used for steganographic techniques in images?



3. Which of the following is the most common method used in spatial domain steganography?



4. In LSB steganography, what does LSB stand for?



5. Which of the following is a major drawback of LSB steganography?



6. Which transform is commonly used in frequency-domain steganography?



7. Which steganographic method uses wavelet coefficients for embedding data?



8. Which one of the following is an advantage of frequency domain steganography?



9. Which term refers to the amount of data that can be hidden in an image using steganography?



10. Which one of the following measures the resistance of hidden data to modifications?



11. What is the primary concern in image steganography regarding visual quality?



12. Which of the following is NOT a typical requirement for an effective steganographic system?



13. Which color channel is often preferred for data hiding due to human visual sensitivity?



14. Which type of attack aims to detect the presence of hidden data in images?



15. Which of the following is a passive steganalysis technique?



16. Which type of image is generally preferred for steganography?



17. Which of the following is NOT a component of the steganographic process?



18. Which is used to enhance the security of steganographic communication?



19. What is a “cover image” in steganography?



20. Which of the following could act as a stego image?



21. Which method hides information by altering frequency components of the image?



22. Which of the following compression formats is lossy and may affect embedded data?



23. Why is JPEG not ideal for spatial domain steganography?



24. Which of the following steganographic techniques is most sensitive to image modification?



25. Which steganographic approach makes use of patterns and textures?



26. What is the goal of payload in steganography?



27. Which feature of a steganographic system ensures that changes are undetectable?



28. Which term refers to the image after data has been embedded?



29. Which one of these is an active steganalysis technique?



30. Which of the following formats is best suited for lossless steganography?



31. What is the primary difference between steganography and cryptography?



32. Which one is a hybrid steganographic method?



33. Which is used to validate integrity of the stego image?



34. Which of the following is used for embedding in transform domain steganography?



35. Why is encryption often combined with steganography?



36. Which method hides data using statistical properties of the image?



37. Which metric is used to evaluate distortion in steganographic images?



38. Which file format is usually NOT recommended for steganography?



39. What is the steganographic capacity of a 24-bit image with 512×512 resolution (1 bit per channel)?



40. What is the main challenge in blind steganalysis?



41. Which embedding method uses pattern matching to increase security?



42. Which of the following would help detect steganography in an image?



43. Which of these is NOT a benefit of steganography?



44. Which algorithm improves LSB by randomly spreading bits in an image?



45. Which approach modifies the least sensitive areas of an image?



46. Which of the following can combine with steganography for authentication?



47. Which type of file has the highest tolerance for steganographic embedding?



48. What happens if too much data is embedded in an image?



49. Which of the following best describes the role of a stego key in steganography?



50. Which of the following can degrade the effectiveness of steganography?



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