Criminal Justice Information Services (CJIS) Recertification Practice Test

Each of the options provided serves as a distinct example of an authentication factor. Authentication factors are methods used to verify a user's identity and typically fall into three main categories: something you know (knowledge-based), something you have (possession-based), and something you are (biometric).

Knowledge-based authentication involves information that only the user should know, such as passwords or answers to security questions. This falls under the "something you know" category, making it a fundamental form of authentication.

Biometric identification utilizes unique physical attributes of the user, such as fingerprints, facial recognition, or iris scans. This method qualifies as "something you are," relying on the inherent characteristics of the individual for verification, which ensures a high level of security.

Two-factor verification encompasses any authentication process that requires two different forms of verification. This approach often combines elements from the different categories—like requiring both a password (knowledge-based) and a fingerprint (biometric) to access an account. This technique adds an additional layer of security, ensuring that even if one factor is compromised, the chances of unauthorized access remain low.

Given that each option represents a valid method of authentication, stating that all of these are correct accurately captures the multi-faceted approach to verifying identity in security practices.