The security administration team at a company has been tasked with implementing a data-at-rest
solution for its company 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