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It is important for the CISSP to understand software which may provide steganographic services. As steganographic software determines hidden messages in media, approximately how many KB of data should a common digital picture with the size of 640 x 480 pixels with 256 colors contain?
2700
307
614
920
The correct response is approximately 307 KB of data. A 640 X 480 pixel image using eight-bit color would occupy approximately 307 KB (640 x 480 = 307,200 bytes).
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