1) what are the two main types of biometric systems? a) physiological and behavioral b) fingerprint and iris 2) which biometric method is COMMONLY used for unlocking smartphones? a) voice recognition  b) retina scanning c) fingerprint scanning 3) why are biometric considered more secure that passwords? a) they are cheaper to use b) they use unique physical traits that are hard to copy c) they are cheaper 4) one challenge while using biometric systems? a) privacy concerns b) everyone has the same traits c) too expensive

BIOMETRIC SYSTEMS

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