This course, Information Systems Auditor: Operations, Maintenance, and Service, is the fourth course in preparation for the CISA examination and represents 20% of the examination. First, you'll get to examine the specifics of how information systems support business needs, how information systems are managed and operated, and how information systems are secured and monitored. Next, you'll review the role of in IT auditor in testing IT systems and operations. Finally, you'll see the creation and testing of disaster recovery plans. When you're finished with this course, you'll be better prepared for this portion of the examination.