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Question 21 - CISA discussion

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Which of the following is the BEST data integrity check?

A.
Counting the transactions processed per day
Answers
A.
Counting the transactions processed per day
B.
Performing a sequence check
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B.
Performing a sequence check
C.
Tracing data back to the point of origin
Answers
C.
Tracing data back to the point of origin
D.
Preparing and running test data
Answers
D.
Preparing and running test data
Suggested answer: C

Explanation:

Data integrity is the property that ensures that data is accurate, complete, consistent, and reliable throughout its lifecycle. The best data integrity check is tracing data back to the point of origin, which is the source where the data was originally created or captured. This check can verify that data has not been altered or corrupted during transmission, processing, or storage. It can also identify any errors or discrepancies in data entry or conversion. Counting the transactions processed per day is a performance measure that does not directly assess data integrity. Performing a sequence check is a validity check that ensures that data follows a predefined order or pattern. It can detect missing or out-of-order data elements, but it cannot verify their accuracy or completeness. Preparing and running test data is a testing technique that simulates real data to evaluate how a system handles different scenarios. It can help identify errors or bugs in the system logic or functionality, but it cannot ensure data integrity in production environments.Reference:Information Systems Operations and Business Resilience,CISA Review Manual (Digital Version)

asked 18/09/2024
Kaddy Kabuya
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