The security administration team at a company has been tasked with implementing a data-at-rest solution for itscompany storage. Due to the large amount of storage the Chief Information Officer (CISO) decides that a 128-
bit cipher is needed but the CISO also does not want to degrade system performance any more than
necessary. Which of the following encryptions needs BOTH of these needs?

A.
SHA1

B.
DSA

C.
AES

D.
3DES