Biometrics can be useful for security authentication. Which of these is an example of a biometric?
A) Smart card
B) Token generator
C) Fingerprint
D) Strong password
The answer: C) Fingerprint
Fingerprint readers are great biometric authentication tools because they use a piece of biology that only one person (usually) has.
The incorrect answers:
A) Smart card
Smart cards are useful for authentication because they are something you have (the smart card) and can be used in conjunction with something you know (your username and password). Since they’re not part of you, they don’t qualify as a biometric.
B) Token generator
Token generators are also useful items that are “something you have.” Unfortunately, they also don’t qualify as a biometric.
D) Strong password
Although strong passwords are stored in your brain, they don’t quite qualify as a biometric.
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