DA0-002 Data Governance Practice Question
A data analyst is troubleshooting a dashboard that displays incorrect totals for sales by region. The data source queries are correct. Which of the following is the most likely cause?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The filter context is inadvertently excluding some regions.
Filter context can inadvertently exclude certain regions, leading to incorrect totals. Options A, B, and C are less likely: A affects performance not accuracy; B would be caught by correct queries; C could cause aggregation differences but filters are a common issue.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The visualizations are using a different aggregation level.
Why it's wrong here
Incorrect. This could cause discrepancies but filters are a more common dashboard issue.
- ✗
The data model includes duplicate records.
Why it's wrong here
Incorrect. Duplicate records would cause overstated totals, but the query is correct so unlikely.
- ✗
The dashboard is using a live connection instead of an extract.
Why it's wrong here
Incorrect. Live connections affect performance, not accuracy, if queries are correct.
- ✓
The filter context is inadvertently excluding some regions.
Why this is correct
Correct. Filters can exclude data without obvious indication, causing incorrect totals.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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