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Which of the following best describes an assessment a data analyst would use to validate that the number of records in a dataset matches the expected results?
This question pertains to the Data Governance domain, focusing on data quality validation techniques. The task is to validate that the number of records matches expectations, which requires a specific type of assessment.
Source control (Option A): Source control (e.g., Git) manages code versions, not dataset validation.
Unit test (Option B): A unit test checks a specific component of a process, such as verifying that the number of records in a dataset matches the expected count, making it the best fit.
Stress test (Option C): Stress tests evaluate system performance under load, not record counts.
Health check (Option D): A health check monitors system status but isn't specific to validating record counts.
The DA0-002 Data Governance domain includes 'data quality control concepts,' and unit tests are a standard method for validating specific data outcomes like record counts.