A network administrator wants to increase the confidentiality of the system by hardening the
authentication process. Currently, the users log in using usernames and passwords to access the system. Which of the following will increase the authentication factor to three?
A. Adding a fingerprint reader to each workstation and providing a RSA authent
B. Adding a fingerprint reader and retina scanner
C. Using a smart card and RSA token
D. Enforcing a stronger password policy and using a hand geometry scan