Questions

Now, it’s time to check your knowledge. Select the best response to the following questions and then check your answers, found in the Assessment section at the end of the book:

1. Iris recognition provides an effortless way to obtain biometric data, as cameras can obtain a high-quality image at a comfortable distance. This relates to the desired biometric feature of _____.

   a. Universal

   b. Permanent

   c. Collectability

   d. Performance

2. The colored portion of the eye area is called the _____, which comprises three structures: the iris, the ciliary body, and the choroid.

   a. Uvea

   b. Retina

   c. Sclera

   d. Cornea

3. When dealing with diseases of the eye, _____is where the shape of the pupil is altered from a normal round appearance.

   a. Coloboma

   b. Synechia

   c. Dyscoria

   d. Corectopia

4. One way to evaluate whether a sample matches a template is by calculating the _____distance, which is the result of comparing two binary values.

   a. Uvea

   b. Universal

   c. Collectable

   d. Hamming

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