Final answer:
The correct answer is D) A-130, which refers to the OMB Circular concerning federal information resources management, requiring that each system is given a name and a unique identifier.
Step-by-step explanation:
The correct answer to the question: As required in OMB Circular A-______, each system should be assigned a name and unique identifier, is D) A-130. Office of Management and Budget (OMB) Circular A-130, titled 'Management of Federal Information Resources,' establishes policy for the management of federal information resources, including the mandate that each system must be given a name and unique identifier. This circular provides a comprehensive framework for managing federal information resources, including information security and privacy considerations. For instance, a federal agency managing several different information systems will be required to comply with the directives of this circular to ensure proper cataloging and security of their systems.