Fantastic Biometrics Test - 30+ MCQs: Biometrics test: Assess Your Knowledge with Biometric Questions and Answers

1. What is the main challenge faced by facial recognition systems?

Difficulty in capturing facial images.

High cost of implementation.

Challenges in accuracy due to varying lighting conditions and angles.

Lack of available software.

2. What does 'Biometric Revocation' refer to?

Removing a user's biometric data from a system.

Upgrading biometric algorithms.

Re-enrolling a user's biometric data.

Retrieving lost biometric data.

3. What does 'Template' refer to in the context of biometrics?

A physical biometric trait.

A mathematical representation of a biometric trait.

A biometric scanner.

A security protocol for biometric data.

4. What is the 'Bonferroni Bound' in biometric recognition?

A method to adjust the significance level in statistical tests.

A mathematical equation to optimize biometric algorithms.

A security protocol in biometric systems.

A type of false accept rate calculation.

5. What does the acronym 'PIN' stand for in the context of biometrics?

Personal Identification Number

Public Identification Number

Private Identity Network

Personal Information Node

6. Which type of attack involves presenting a previously recorded biometric sample to the system?

Liveness attack

Spoofing attack

Replay attack

Man-in-the-middle attack

7. What is 'Multimodal Biometrics'?

Using multiple biometric traits for authentication.

A single biometric trait used across multiple systems.

A type of biometric algorithm.

The storage mechanism for biometric templates.

8. What is the main advantage of using facial recognition technology?

High accuracy and non-intrusive nature.

Ability to work in complete darkness.

Universal compatibility with all devices.

Quick recovery from errors.

9. What is 'Biometric Fusion'?

Combining multiple biometric traits for authentication.

The process of capturing biometric data.

The storage of biometric templates.

A type of biometric attack.

10. Which biometric trait is typically used in access control systems?

Keystroke dynamics

Gait analysis

Ear shape recognition

Voice pitch

11. Which factor is NOT a limitation of biometric systems?

Environmental factors such as lighting.

Physical changes in individuals over time.

Reliability of data transmission.

Interoperability with other systems.

12. Which of the following is a behavioral biometric?

Facial structure

Heartbeat rhythm

Iris color

Hand size

13. Why is liveness detection important in biometric systems?

To enhance user experience.

To prevent spoofing attacks.

To reduce system maintenance costs.

To increase data storage efficiency.

14. Which biometric trait is commonly used for fingerprint recognition?

Retina patterns

Voice patterns

Hand geometry

Finger ridges

15. What is 'Crossover Error Rate' (CER) in biometric authentication?

The rate at which two different biometrics intersect.

The rate at which false accept and false reject errors are equal.

The rate at which biometric systems are replaced by newer technologies.

The rate at which biometric data is encrypted and decrypted.

16. Which biometric modality is least influenced by external factors such as scars or aging?

Voice recognition

Fingerprint recognition

Facial recognition

Retinal recognition

17. What is the common use of voice recognition biometrics?

To detect audio quality in recordings.

To identify individuals based on their voice patterns.

To analyze speech patterns for linguistic studies.

To determine the volume level of a recording.

18. What is 'Covert Authentication' in biometric systems?

Authentication without the user's knowledge.

Visible authentication methods like passwords.

A type of biometric attack.

The process of enrolling biometric data.

19. Which biometric modality analyzes an individual's typing rhythm?

Facial recognition

Keystroke dynamics

Hand geometry

Ear shape

20. How does iris recognition technology primarily function?

By analyzing the unique patterns of the iris.

By measuring the thickness of the iris.

By detecting the color of the iris.

By examining the pupil size.

Biometrics MCQ Test 1