Certified Anti-Money Laundering Specialist Certification (CAMS) Practice Exam

Biometrics refers to the science of identifying features that differentiate individuals, which is precisely why option B is correct. This field involves the measurement and statistical analysis of people's unique physical and behavioral characteristics. These characteristics can include fingerprints, facial recognition, iris patterns, and even voice recognition. By using biometrics, systems can enhance security and verify identities in various applications, ranging from access control to financial transactions.

The other options don't accurately represent the definition of biometrics. For instance, the study of banking transactions pertains to financial analysis and transaction monitoring, which falls under different disciplines like finance or accounting. The application of statistics in finance deals with data analysis and forecasting models, rather than individual identification. Lastly, the process of data encryption for secure transactions relates to cybersecurity and protecting sensitive information rather than identifying individuals based on their unique traits. Thus, B stands out as the correct answer in the context of biometrics.