A security administrator is designing an access control system, with an unlimited budget, to allow authenticated users access to network resources. Given that a multifactor authentication solution is more secure, which of the following is the BEST combination of factors?
A. Retina scanner, thumbprint scanner, and password
B. Username and password combo, voice recognition scanner, and retina scanner
C. Password, retina scanner, and proximity reader
D. One-time password pad, palm-print scanner, and proximity photo badges