Your company has recently decided to implement a new biometric system to secure access to your company's data center. Management has decided to implement the biometric system in which the colored portion of the eye, including all rifts, coronas, and furrows are measured. Which biometric system should you purchase?

A. Iris scan
B. Retina scan
C. Eigenfeatures facial scan
D. Eigenfaces facial scan

A
Explanation: In an iris scan, the colored portion of the eye, including all rifts, coronas, and furrows are scanned.
In a retina scan, the retina's blood vessel pattern is scanned. In an eigenfeatures facial scan, the distance between the facial features are measured and recorded. In an eigenfaces facial scan, measurements of facial components are gathered and compared to a set of standard eigenfaces.