Biometric authentication
A)is inexpensive.
B)is used widely in Europe for security applications.
C)can use a person's face as a unique,measurable trait.
D)only uses physical traits as a measurement.

Question

Quizplus · Accepted Answer

Biometric authentication can use a person's face as a unique and measurable trait, among other physical characteristics, such as fingerprints or iris scans. It may not necessarily be inexpensive, and while it is used widely in some regions, such as Europe, it is not universally implemented. Therefore, option C is the best choice given the information presented.

Biometric Authentication