DA0-002 Data Governance Practice Question
A data analyst needs to present findings to a non-technical executive audience. Which visualization type is most appropriate to communicate a clear comparison of sales performance across multiple regions for the current quarter?
⚠ Common exam trap
Watch out — candidates often choose a line chart (Option B) because they associate sales data with time series, but the question specifies a single quarter comparison across regions, not a trend over time.
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
✓
Bar chart
A bar chart is the most appropriate choice because it excels at comparing discrete categories (regions) using a common baseline, making it easy for a non-technical audience to quickly see which regions performed best or worst in the current quarter. The vertical or horizontal bars provide a clear, direct visual comparison of sales performance without requiring interpretation of trends or correlations.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Scatter plot
Why it's wrong here
Scatter plots show relationships between two variables, not direct comparisons across categories.
- ✗
Line chart
Why it's wrong here
Line charts emphasize trends over time, not static comparisons.
- ✓
Bar chart
Why this is correct
Bar charts are ideal for comparing quantities across categories like regions.
- ✗
Heatmap
Why it's wrong here
Heatmaps show the density or intensity of values, not straightforward comparisons.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DA0-002 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DA0-002 exam.