Question

Which of the following are true in biometric systems?

a. For authentication application, a user template is compared against a single template stored in the database.

b. For verification / identification application, a user template is compared against all the templates stored in the database.

c. Multimodal biometrics is used to improve accuracy.

d. None of these.

Answer 1

C is the correct answer

Answer 2

Answer:

Options (b) and (c) are TRUE for biometric systems.

Explanation:

Biometrics is the measurements involved in measuring behaviour or physiological characteristics of the human being. It is used for verifying the identity of a particular person. It is possibly operated in two modes namely authentication and enrollment.  

In first mode, the data is used and verified to check the who the person is. Second mode is acquiring the person’s data and storing it in database. Usually, multi model biometrics are used for improving the recognition accuracy.