"Factors to Consider in Biometric Systems"

C.

In addition to the accuracy of the biometric systems, there are other factors that must also be considered.

These factors include the enrollment time, the throughput rate, and acceptability.

Enrollment time is the time it takes to initially "register" with a system by providing samples of the biometric characteristic to be evaluated.

An acceptable enrollment time is around two minutes.

For example, in fingerprint systems, the actual fingerprint is stored and requires approximately 250kb per finger for a high quality image.

This level of information is required for one-to-many searches in forensics applications on very large databases.

In finger-scan technology, a full fingerprint is not stored-the features extracted from this fingerprint are stored using a small template that requires approximately 500 to 1000 bytes of storage.

The original fingerprint cannot be reconstructed from this template.

Updates of the enrollment information may be required because some biometric characteristics, such as voice and signature, may change with time.

Source: KRUTZ, Ronald L.

& VINES, Russel.

D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, 2001, John Wiley & Sons, Page 37 & 38.

The correct answer is C. These factors include the enrollment time, the throughput rate, and acceptability.

Biometric systems are used to identify or authenticate individuals based on unique physiological or behavioral characteristics such as fingerprints, iris scans, facial recognition, or voiceprints. While the accuracy of the biometric system is important, there are other factors that must also be considered when implementing such systems.

The first factor is the enrollment time. Enrollment is the process of registering users into the biometric system by capturing their biometric data and storing it in the system's database. The enrollment time is the duration it takes to complete this process. The enrollment process must be efficient and user-friendly to ensure that users are enrolled quickly and correctly. A lengthy or complicated enrollment process can deter users from adopting the system.

The second factor is the throughput rate. The throughput rate is the number of users that can be processed by the system in a given time period. It is a measure of the system's efficiency and performance. The throughput rate must be high enough to accommodate the expected user load and provide a smooth user experience. A low throughput rate can result in long wait times and user frustration.

The third factor is acceptability. Acceptability refers to the willingness of users to accept the biometric system as a means of identification or authentication. Acceptability can be influenced by factors such as privacy concerns, cultural or religious beliefs, and personal preferences. To ensure acceptability, the biometric system must be transparent in its operation, respect user privacy, and provide alternative authentication methods for users who are unable or unwilling to use the biometric system.

In summary, while the accuracy of the biometric system is crucial, it is not the only factor that must be considered. Enrollment time, throughput rate, and acceptability are also important considerations that must be taken into account to ensure the successful implementation and adoption of biometric systems.