Isaca Certified Information Systems Auditor CISA Question # 120 Topic 13 Discussion
CISA Exam Topic 13 Question 120 Discussion:
Question #: 120
Topic #: 13
When verifying the accuracy and completeness of migrated data for a new application system replacing a legacy system. It is MOST effective for an IS auditor to review;
When verifying the accuracy and completeness of migrated data for a new application system replacing a legacy system, it is most effective for an IS auditor to review data analytics findings. Data analytics is a technique that uses software tools and statistical methods to analyze large volumes of data and identify patterns, anomalies, errors or inconsistencies. Data analytics can help to compare the source and target data sets, validate the data quality and integrity, and detect any data loss or corruption during the migration process. The other options are not as effective, because audit trails only record the actions performed on the data, acceptance testingresults only verify the functionality of the new system, and rollback plans only provide contingency measures in case of migration failure. References: CISA Review Manual (Digital Version)1, Chapter 5, Section 5.2.6
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