Which of the following is the MOST secure method, short of physical destruction, that would be
used to ensure that data on a hard drive cannot be recovered?
A.
Use a degaussing tool
B.
Format the drive
C.
Use an overwrite program
D.
Repartition the drive
Explanation:
http://www.pcworld.com/article/261702/how_to_securely_erase_your_hard_drive.html