Certified Ethical Hacker (CEH v11) — Question 122

Which of the following is the least-likely physical characteristic to be used in biometric control that supports a large company?

Answer options

• A. Iris patterns
• B. Voice
• C. Height and Weight
• D. Fingerprints

Correct answer: C

Explanation

Height and weight are not unique identifiers and can vary greatly among individuals, making them unsuitable for biometric control. In contrast, iris patterns, voice recognition, and fingerprints are distinctive traits that can reliably authenticate individuals.