Microsoft Exam 98-368 Topic 13 Question 33 Discussion

Biometrics refers to authentication techniques that rely on measurable physical characteristics that can be automatically checked.

Note: There are several types of biometric identification schemes:

face: the analysis of facial characteristics

fingerprint: the analysis of an individual's unique fingerprints

hand geometry: the analysis of the shape of the hand and the length of the fingers

retina: the analysis of the capillary vessels located at the back of the eye

iris: the analysis of the colored ring that surrounds the eye's pupil

signature: the analysis of the way a person signs his name.

vein: the analysis of pattern of veins in the back if the hand and the wrist

voice: the analysis of the tone, pitch, cadence and frequency of a person's voice.