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
This is C – password is something you know, retinal scanner is something you are, proximity reader is something you have.
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I think the correct answer is C
According to answer B, two factors.
Username and password combo = something you know
voice recognition scanner = something you are
retina scanner = something you are
According to answer C, three factors.
password = something you know
retina scanner = something you are
proximity reader = something you have (a badge)
Is it common sense that 3 factors is safer than 2 factors?
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