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

D.
TPM

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.