When it comes to magnetic media sanitization, what difference can be made between clearing and
purging information?

A.
Clearing completely erases the media whereas purging only removes file headers, allowing the
recovery of files

B.
Clearing renders information unrecoverable by a keyboard attack and purging renders
information unrecoverable against laboratory attack

C.
They both involve rewriting the media

D.
Clearing renders information unrecoverable against a laboratory attack and purging renders
information unrecoverable to a keyboard attack

Explanation:
Reference: pg 405 Tittel: CISSP Study Guide