CompTIA A+ 220-902 Question J-22

A company has purchased new computers. The old computers will be donated to a local charity. Before the computers are picked up, the president of the company wants to make sure that the computers do not have confidential company information on them. Which of the following is the BEST method to accomplish this?

A. Run CHKDSK
B. Format the hard drive
C. Use a degaussing tool
D. Defragment the hard drive

Correct Answer: C