Which data-destruction technique relies on a very strong magnetic field to scramble the magnetic domains on hard disk drives and magnetic tape, rendering the stored data unrecoverable?
Encrypting the drive with BitLocker
Low-level formatting
Degaussing
Drilling holes through the drive
Degaussing uses a high-intensity magnetic field to randomize the magnetic domains that represent bits on magnetic media. This purges the data and usually makes the drive unusable. It does not work on non-magnetic storage such as solid-state drives (SSDs). NIST SP 800-88 and other industry sources list degaussing as an approved purge method for magnetic media but ineffective for flash-based media.
Bash is our AI bot, trained to help you pass your exam. AI Generated Content may display inaccurate information, always double-check anything important.
All IT & Cybersecurity Package plans include the following perks and exams .
Our pricing is simple. Full access to all certifications and exams in each package, for one price.
As many practice tests for as many topics as you want.
Use study mode non-stop, no limits.
Access to our AI assistant, Bash, trained to help you pass your exam.
Track your scores over time in study mode and report cards.
See how you improve over time, and where you need to focus.
Access our store with even bigger discounts than before.
Unlimited access to all performance questions and be prepared for the real thing.
All IT & Cybersecurity Package plans include unlimited access to the following study materials.
Create an account or sign in to access our study materials.