The act of magnetically erasing all of the data on a disk is known as:
A. Wiping B. Dissolution C. Scrubbing D. Degaussing
Correct Answer: D Section: Application, Data and Host Security
Degaussing is a form a data wiping that entails the use of magnets to alter the magnetic structure of the storage medium.
A: Data wiping is the process of securely removing data remnants from a storage device so that the data cannot be recovered. This is usually done when a device is to be disposed or
can be done remotely, when a mobile device is stolen.
B, C: Dissolution and scrubbing are not related to erasing data on a disk.
Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, pp. 256