CompTIA Security Plus Mock Test Q828

Which of the following is a hardware-based security technology included in a computer?

A. Symmetric key
B. Asymmetric key
C. Whole disk encryption
D. Trusted platform module


Correct Answer: D
Section: Application, Data and Host Security

Explanation:
Trusted Platform Module (TPM) is a hardware-based encryption solution that is embedded in the system’s motherboard and is enabled or disable in BIOS. It helps with hash key
generation and stores cryptographic keys, passwords, or certificates.

Incorrect Answers:
A, B: Symmetrical and Asymmetrical keys are used in hardware- or software-based cryptography.
C: Whole disk and 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. This encryption can be provided by a software or a hardware solution.

References:
Dulaney, Emmett and Chuck Eastton, CompTIA Security+ Study Guide, 6th Edition, Sybex, Indianapolis, 2014, pp. 418-419
Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, pp. 236, 237