Which of the following cryptographic systems is MOST appropriate for bulk data encryption and small devices
such as smart cards?

A.
DES

B.
AES

C.
Triple DES

D.
RSA

Explanation:
Advanced Encryption Standard (AES), a public algorithm that supports keys from 128 to 256 bits in size, not
only provides good security, but provides speed and versatility across a variety of computer platforms. AES
runs securely and efficiently on large computers, desktop computers and even small devices such as smart
cards. DES is not considered a strong cryptographic solution since its entire key space can be brute forced by
large computer systems within a relatively short period of time. Triple DES can take up to three times longer
than DES to perform encryption and decryption. RSA keys are large numbers that are suitable only for short
messages, such as the creation of a digital signature.