Implementation第 50 / 100 题
Which authentication factor category does a fingerprint belong to?
a.Something you know
b.Something you have
c.Somewhere you are
d.Something you are
解析
A fingerprint is a biometric, which is the 'something you are' factor based on physical characteristics. Combining it with a different factor, such as a password, creates multifactor authentication. Biometrics resist sharing but raise privacy and revocation concerns.
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