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ISACA Certified Information Systems Auditor · Isaca
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Clearly D
I'd vote for D
Implementing business rules aligns with CISA's proactive approach. These pre-defined rules can act as a filter, automatically rejecting data that doesn't meet specific criteria like data format, value ranges, or missing required fields. This significantly reduces the risk of bad data entering the system at the starting point. By proactively rejecting invalid data, the organization safeguards the integrity of its data warehouse from the beginning, ensuring the accuracy of future analysis and reporting.