According to the NIST CSF 1.1 Core, what does the Maintenance (PR.MA) category require?

• A.Cataloging hardware and software assets, and assigning a responsible owner for each item across the inventory
• B.Detecting anomalous login patterns, and forwarding the resulting alerts to the response team promptly for triage
• C.Restoring encrypted backups, and confirming data integrity once recovery has completed for the affected system
• D.Performing maintenance and repairs of organizational assets in a manner consistent with policies and procedures, including remote and on-site maintenance activities