Final answer:
The level of system and network configuration required for handling Controlled Unclassified Information (CUI) is the Enhanced level, according to NIST SP 800-171. This level offers more protection than basic consumer-grade security but is not as rigorous as classified information systems.
Step-by-step explanation:
The question pertains to the level of system and network configuration required to handle Controlled Unclassified Information (CUI). CUI refers to information that is sensitive and requires safeguarding or dissemination controls pursuant to and consistent with applicable law, regulation, and government-wide policy, but is not classified under Executive Order 13526 or the Atomic Energy Act, as amended.
According to the National Institute of Standards and Technology (NIST) Special Publication 800-171, organizations handling CUI must adhere to Enhanced security requirements to protect this type of information. NIST SP 800-171 provides guidance on protecting CUI when processed, stored, and used within non-federal information systems and organizations. The publication outlines specific security requirements that organizations need to implement, including but not limited to access control, awareness and training, incident response, and system and information integrity.
These requirements are considered Enhanced because they offer a higher level of security than basic consumer-grade protection but do not reach the level of rigor required for classified information. Therefore, the correct option for the level of system and network configuration required for CUI is B) Enhanced.