A company has in place an authentication system that requires users to enter a log-on name and password. In an effort to strengthen this method of authentication, the company's chief information officer (CIO) asked the technology steering committee to recommend a biometric control for the authentication process. Which of the following committee recommendations best meets the requirement of the CIO?
A. The use of a number-generating token that generates a different seven-digit number every 30 seconds to allow system entry.
B. The use of a voice-to-text converter on user workstations that allows users to speak their user name and password.
C. The use of a picture selection screen in which a user must choose a matching photo to one that was selected when the system was first implemented.
D. The installation of fingerprint scanners on all workstations.
