Earning a CISA certification validates your ability to audit, control, and monitor information systems. Our test prep series tackles the exam one domain at a time, helping you acquire all the skills you need to confidently manage IT security audits. CISA Cert Prep: 4 teaches IT operations, maintenance, and service delivery. Get an overview of information system architectures, hardware, software, and networking, as well as details about wireless and cloud-based technology and disaster recovery. Instructor Michael Lester wraps up with an overview of the auditing process for IT networks.