PL-300 Visualize and analyze the data Practice Question
You are creating a Power BI report for a sales team. The report contains a clustered bar chart showing total sales by product category. The sales manager wants to see the exact sales amount for each category without hovering over the bars. You need to configure the visual to display the values directly on the chart. What should you do?
⚠ Common exam trap
The trap here is overcomplicating the solution with tooltips or additional visuals when a simple formatting toggle achieves the goal.
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
✓
Enable the Data labels option in the visual's formatting pane.
Enabling data labels is the direct way to show exact values on a bar chart. It displays the sales amount for each category without any user interaction. This is a built-in formatting feature that requires no additional visuals or measures.
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 tooltip page that shows the sales amount when hovering over a bar.
Why it's wrong here
Tooltips appear only on hover, which does not meet the requirement to see values without hovering. A tooltip page is a report page designed as a tooltip and still requires user interaction. It does not display values persistently on the chart.
- ✗
Change the visual type to a table showing product category and total sales.
Why it's wrong here
Changing to a table would display exact values, but it would no longer be a bar chart, which the sales manager likely wants to keep for visual comparison. The requirement is to show values on the existing chart, not to replace it. A table loses the graphical representation of relative sales.
- ✓
Enable the Data labels option in the visual's formatting pane.
Why this is correct
Turning on data labels displays the numeric value for each bar directly on the chart, eliminating the need to hover. This is a standard formatting option for most visuals, including bar and column charts. It provides immediate visibility of the exact sales amount for each category.
- ✗
Add a card visual next to the chart that displays the total sales for the selected category.
Why it's wrong here
A card visual shows a single value and would require selecting a category to see its sales. It does not display all category values simultaneously on the chart. This adds complexity and does not meet the need for direct on-chart labels for every category.
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Last reviewed September 2026 · checked against the official Microsoft exam blueprint
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