Which of the following is a hardware based encryption device?

A.
EFS

B.
TrueCrypt

C.
TPM

D.
SLE

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: Encrypting File System (EFS) is a software-based encryptions solution that is used to encrypt files or entire volumes in a Windows computer. It is not a
hardware-based encryption solution.
B: TrueCrypt is an open source software-based encryption solution.
D: SLE (Single Loss Expectancy) is a risk management concept that measures the potential dollar value loss from a single risk-realization incident. It is not related
to cryptography.

Dulaney, Emmett and Chuck Eastton, CompTIA Security+ Study Guide, Sixth Edition, Sybex, Indianapolis, 2014, pp 5-7, 237, 290