CBP Biometric Technologies and Modalities

Question 1

Which biometric modality is considered the most widely used for authentication?

Accepted Answer

Fingerprint recognition

Answer

Fingerprint recognition is the most commonly used biometric authentication method due to its high accuracy and ease of use.

Question 2

What is the primary advantage of iris recognition compared to other biometric methods?

Accepted Answer

Higher accuracy and resistance to spoofing

Answer

Iris recognition provides high accuracy and is less prone to spoofing due to the complexity of iris patterns.

Question 3

Which biometric modality is considered non-contact and widely used for surveillance?

Accepted Answer

Facial recognition

Answer

Facial recognition is a non-contact biometric method commonly used in surveillance and security applications.

Question 4

What is the key limitation of voice recognition as a biometric modality?

Accepted Answer

Susceptible to background noise and voice changes

Answer

Voice recognition can be affected by background noise and voice changes due to illness, making it less reliable in certain environments.

Question 5

Which biometric method analyzes the blood vessel patterns in a person’s hand?

Accepted Answer

Palm vein recognition

Answer

Palm vein recognition scans the blood vessel patterns in the palm, offering high security and accuracy for biometric authentication.

(CBP) Certified Biometrics Professional Practice Test