An employee is attempting to wipe out data stored on a couple of compact discs (CDs) and digital
video discs (DVDs) by using a large magnet. You inform him that this method will not be effective
in wiping out the data because CDs and DVDs are ______________ media used to store large
amounts of data and are not affected by the magnet.
A.
logical
B.
anti-magnetic
C.
magnetic
D.
optical