CompTIA Security Plus Mock Test Q832

Which of the following hardware based encryption devices is used as a part of multi-factor authentication to access a secured computing system?

A. Database encryption
B. USB encryption
C. Whole disk encryption

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

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: Database encryption makes use of cryptography functions that are built into the database software to encrypt the data stored in the data base. Encryption protects data on storage
devices it is not an authentication mechanism.
B: USB encryption is provided by the vendor of the USB device or by a tool from a third party. Encrypting the data on a USB protects the data on the USB; it is not an authentication
C: Whole disk encryption protects the data on hard drives of devices it is not an authentication mechanism.

Dulaney, Emmett and Chuck Eastton, CompTIA Security+ Study Guide, 6th Edition, Sybex, Indianapolis, 2014, pp. 237
Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, pp. 252, 255