Which of the three principles of security is supported by an iris biometric system?
a. Confidentiality
b. Integrity
c. Availability
d. Vulnerability
Answer: A
Confidentiality involves protecting against unauthorized access, which biometric authentication systems support. Integrity is concerned with preventing unauthorized modification, making answer B incorrect. Answer C is not correct because availability is concerned with ensuring that access to services and data is protected against disruption. Answer D is incorrect because a vulnerability is a failure in one or more of the C-I-A principles.