CompTIA Security+ Question G-51

A way to assure data at-rest is secure even in the event of loss or theft is to use:

A. Full device encryption.
B. Special permissions on the file system.
C. Trusted Platform Module integration.
D. Access Control Lists.

Answer: A

Device encryption encrypts the data on the device. This feature ensures that the data on the device cannot be accessed in a useable form should the device be stolen.