A user attempting to log on to a workstation for the first time is prompted for the following
information before being granted access: username, password, and a four-digit security pin
that was mailed to him during account registration. This is an example of which of the
following?
A.
Dual-factor authentication
B.
Multifactor authentication
C.
Single factor authentication
D.
Biometric authentication
Why not B?
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All of these match a single factor because they all fall under the “Something you know” category. The other categories are “Something you have” (Key card) and “Something you are” (fingerprint or retina scan).
In other words, if I were a hacker and wanted to crack the password, I could deploy the same methods to also crack the username and PIN. I wouldn’t have to change my methods.
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