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ISACA Certified in Risk and Information Systems Control · Isaca
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D. Check totals on data records and data fields Check totals on data records and data fields (also known as data validation controls) are most effective in ensuring the accuracy of data. This type of control verifies that data is correctly input and hasn't been lost or misrepresented during processing. It could include mechanisms such as checksums, parity checks, or hash totals. Other options mentioned, like audit trails, encrypted storage, and links to source data, while important for other aspects of data integrity, confidentiality, and traceability, do not directly address the risk associated with inaccurate data.
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Answer is D. Check totals on data records and data fields