DA0-002 Visualization and Reporting Practice Question
A business intelligence analyst is designing a dashboard for executives. The dashboard includes revenue, profit margin, and customer satisfaction score. To maximize the data-ink ratio, the analyst should:
⚠ Common exam trap
DA0-002 often tests the misconception that visual appeal (logos, 3D effects, varied fonts) improves dashboards, when it actually lowers the data-ink ratio.
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
✓
Remove gridlines, use minimal colors, and avoid decorative elements
Maximizing the data-ink ratio means every drop of ink should convey data, so removing gridlines, minimizing color, and stripping decorative elements directly increases the proportion of ink devoted to actual data. This aligns with Edward Tufte's principle that non-data ink and redundant ink should be eliminated or minimized. Executives need fast, clear signal, so a clean chart with minimal chrome communicates revenue, margin, and CSAT more effectively.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Add a background image of the company logo
Why it's wrong here
A background logo image is pure non-data ink that competes with the charts and lowers the data-ink ratio. It is tempting because branding on executive dashboards feels professional, but that is a cosmetic goal; the correct approach strips decoration so ink maps only to revenue, margin and satisfaction values.
- ✓
Remove gridlines, use minimal colors, and avoid decorative elements
Why this is correct
Removing gridlines, minimising colour and stripping decoration directly raises the data-ink ratio, since every drop of ink then encodes revenue, profit margin or satisfaction data rather than ornament. This satisfies the stem's constraint of maximising data-ink ratio, a principle Tufte defined as data-ink divided by total ink used.
- ✗
Use different font styles for each metric label
Why it's wrong here
Varying font styles across metric labels adds decorative ink that encodes no data, reducing the data-ink ratio. It is tempting because typographic hierarchy can aid scanning, but that is a layout concern; maximising data-ink means removing non-encoding elements, not adding stylistic variation.
- ✗
Use 3D pie charts with shadow effects
Why it's wrong here
3D pie charts with shadows add non-data ink through perspective distortion and decorative shading, lowering the data-ink ratio rather than maximising it. They are tempting because pie charts show part-to-whole proportions, but even then a flat 2D pie or bar chart communicates the same values with less ink.
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Last reviewed September 2026 · checked against the official CompTIA exam blueprint
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