Visit the ISACA website at www.isaca.org and click on the Knowledge Center tab, then select ITAF (Information Technology Assurance Framework) and click on the IT Audit Basics tab to find articles covering topics concerning the audit process. Locate an article on each of the following topics and answer the related question:

a. Identify and briefly describe the four categories of CAATs used to support IT auditing.

b. List three possible procedures to be performed by auditors who are evaluating controls pertaining to the backup and recovery of a client’s data.