Ian Is Beginning His Studies Toward a Degree in Computer

Multiple Choice

Ian is beginning his studies toward a degree in computer security. He knows that he has a lot to learn and wants as solid a footing in the basics as he can get. He has asked you to come over and help him make sure he's got a good grasp of the fundamentals.
-Lastly, you ask Ian what it is about a digital sound or video file that permits steganography. Again, he correctly responds that ____.

A) an individual sound or video file is usually broken up into many pieces on a hard drive
B) the steganographic mark can be seen or heard by other users as a means of free and fast advertising
C) sound and video files contain portions of unused data where secret messages can be hidden
D) none of the above