Can you answer this sample Security+ question on encryption?
Q. Bart copied an encrypted file from his desktop computer to his USB drive and discovered that the copied file isn’t encrypted. He asks you what he can do to ensure files he’s encrypted remain encrypted when he copies them to a USB drive. What would you recommend as the BEST solution to this problem?
A. Use file-level encryption.
B. Convert the USB to FAT32.
C. Use whole disk encryption on the desktop computer.
D. Use whole disk encryption on the USB drive.