Certified Administrative Professional (CAP) Practice Exam

The correct answer is NIST Special Publication 800-53A Revision 1, which serves as a guide for assessing security controls within federal information systems. This publication provides a framework that outlines how to assess the effectiveness of security controls implemented in information systems, focusing on methods and procedures for conducting assessments. It emphasizes the importance of ensuring that the controls are operating as intended and are adequately protecting the information and its associated processes.

In contrast to other publications listed, NIST Special Publication 800-53 focuses on the selection and implementation of security controls, while FIPS Publication 199 deals with the categorization of information and information systems based on the potential impact of a security breach. Therefore, the assessment procedures detailed in NIST 800-53A Revision 1 are essential for evaluating the controls identified through NIST 800-53, making it the most relevant document for assessing security controls in federal information systems.