Microsoft Power BI Data Analyst (PL-300) · 25% practice allocation

Microsoft PL-300: Visualize and analyze the data Practice Questions

5 free sample questions from the Visualize and analyze the data domain, with answers and explanations. The full PL-300 bank has 255 questions across 4 domains. Questions are scenario-based and written from the official Microsoft exam guide.

1.

Copilot produces a report page from a selected semantic model. Before sharing it with business users, what should the author do?

  • A. Remove the semantic model to make the page independent
  • B. Publish immediately because generated visuals are certified
  • C. Check measures, filters and visuals against the request✓ Correct
  • D. Replace model security with a report-level filter
Explanation

Review the draft for correctness and relevance. Generation is not certification. Report filters do not replace model security, and the report still depends on its semantic model.

2.

A Power BI developer is working on a report that will be shared with colleagues who use screen readers. She wants to ensure the report meets basic accessibility standards. Which TWO of the following actions directly improve screen reader accessibility in Power BI reports? (Select TWO.)

  • A. Setting a meaningful Alt text description on each visual✓ Correct
  • B. Configuring Tab order for visuals on the page using the Selection pane✓ Correct
  • C. Reducing the number of visuals per page to fewer than five
  • D. Enabling the 'High contrast' theme in Power BI Desktop
  • E. Adding a report page tooltip to every visual
Explanation

Alt text provides descriptive text for each visual that screen readers announce to visually impaired users — a direct accessibility improvement. Configuring Tab order controls the sequence in which a keyboard/screen reader navigates through visuals, which is essential for logical, accessible navigation. High contrast themes improve visual contrast for low-vision users but do not directly help screen readers interpret content. Reducing the number of visuals may simplify the page but is not an accessibility standard requirement and does not aid screen readers. Report page tooltips are triggered on hover and provide no benefit to screen reader users.

3.

A Power BI developer is publishing a report to the Power BI service for use by field sales representatives who primarily access it on smartphones. She wants a layout that presents only the most critical visuals in a vertically scrollable, phone-optimized arrangement. What should she do in Power BI Desktop?

  • A. Create a separate report page named 'Mobile' and place only the critical visuals there
  • B. Enable the 'Fit to page' view setting and reduce the number of visuals to three
  • C. Use the Mobile layout view to arrange selected visuals into a phone-optimized canvas✓ Correct
  • D. Resize all visuals on the report canvas to fit a 360×640 px area
Explanation

Power BI Desktop provides a dedicated Mobile layout view (under View > Mobile layout) that lets authors drag specific visuals onto a phone-shaped canvas. The Power BI mobile app automatically detects and serves this layout to phone users. Resizing visuals on the main canvas does not create a separate mobile layout; it just makes visuals smaller on all screens. Creating a separate page named 'Mobile' does not trigger the app's phone-layout detection. 'Fit to page' is a viewing mode for the browser/desktop and has no effect on mobile app rendering.

4.

A Power BI developer is preparing a report for executives who use screen readers. She wants to ensure the report visuals are accessible. Which TWO of the following actions directly improve accessibility for screen reader users in Power BI Desktop?

  • A. Disabling tooltips on all visuals to reduce clutter
  • B. Configuring the tab order of visuals on the report page✓ Correct
  • C. Applying a high-contrast theme to the report
  • D. Increasing the font size of all axis labels to 14pt
  • E. Adding alt-text descriptions to each visual in the Format pane✓ Correct
  • F. Enabling the 'Show data labels' option on all visuals
Explanation

Adding alt-text descriptions to visuals provides screen readers with meaningful descriptions of each visual's content, which is a primary accessibility requirement. Configuring the tab order determines the sequence in which a screen reader and keyboard navigation move through visuals, which is critical for a logical and accessible experience. Enabling data labels improves visual readability for sighted users but does not directly aid screen readers. Increasing font size helps users with low vision but is not a screen reader accommodation. Applying a high-contrast theme helps users with low vision but is not the primary mechanism for screen reader accessibility. Disabling tooltips reduces information available to all users and does not improve screen reader accessibility.

5.

A Power BI developer is designing an executive dashboard in the Power BI service. The CFO wants a tile on the dashboard that always shows the current month's total revenue figure as a large number with no other visual elements. What is the BEST way to create this tile?

  • A. Use the 'Add tile' dialog in the dashboard to create a custom streaming dataset tile
  • B. Create a KPI visual in the report and pin it, since dashboards only support KPI tiles for single-number display
  • C. Add a Text box tile through the 'Add tile' dialog and type the revenue value manually each month
  • D. Pin a Card visual showing the current-month revenue measure from a published report to the dashboard✓ Correct
Explanation

The correct approach is to pin a Card visual from a published report to the dashboard. Card visuals display a single aggregated measure prominently, and pinning it to a dashboard tile makes it refresh with the underlying data. Streaming dataset tiles are for real-time data streams and require a separate streaming dataset configuration — not a typical report measure. Dashboards support many visual types, not just KPI tiles; the claim that only KPI tiles work is a misconception. Manually typing a value in a text box tile would require manual updates and would not stay current.

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