If sensitive data are stored on a CD-ROM and are no longer needed, which would be the proper way of

If sensitive data are stored on a CD-ROM and are no longer needed, which would be the proper way of disposing of the data?

A.
Degaussing

B.
Erasing

C.
Purging

D.
Physical destruction

Explanation:
D: One cannot properly erase data held on a CD-ROM. If the data are sensitive and you need to ensure no one has access to the same, the media should be physically destroyed.