All of the following methods ensure the stored data are unreadable except…?
A. writing random data over the old file.
B. physical alteration of media.
C. degaussing the disk or tape.
D. removing the volume header information.

In the above statement, the volume header includes the data related to the volume of the hard drive and each of them includes an isolated header of the volume or its group.

The size of the volume header is not greater than 1000-KB. It build at the time of the installation of an Operating System in the computer system.

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All of the following methods ensure the stored data are unreadable except…? A. writing random data over the old file. B. physical alteration of media. C. degaussing the disk or tape. D. removing the volume header information.

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All of the following methods ensure the stored data are unreadable except…?
A. writing random data over the old file.
B. physical alteration of media.
C. degaussing the disk or tape.
D. removing the volume header information.