Which of the following would be used when a higher level of security is desired for encryption key storage?

A.
TACACS+

B.
L2TP

C.
LDAP

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.