CompTIA Data+ (DA0-001) — Question 150

A data analyst has just finished cleansing a database table and is now ready to update the master. However, the analyst must first check to ensure all the work is accurate. Which of the following data quality checkpoints is the analyst using?

Answer options

• A. Data source
• B. Data product
• C. Data retrieval
• D. Data transformation

Correct answer: D

Explanation

The correct answer is D, Data transformation, as it involves ensuring that the data has been accurately manipulated and cleansed before updating the master. Options A, B, and C do not specifically relate to verifying the accuracy of data that has undergone changes, which is why they are not correct in this context.