This post is a part of the PL-300: Microsoft Power BI Data Analyst Exam Prep Hub; and this topic falls under these sections:
Visualize and analyze the data (25–30%)
   --> Enhance reports for usability and storytelling
      --> Design Reports for Mobile Devices

Below are 10 practice questions (with answers and explanations) for this topic of the exam.
There are also 2 practice tests for the PL-300 exam with 60 questions each (with answers) available on the hub.

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Practice Questions

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Question 1

You publish a Power BI report that was designed only using the standard report canvas. A user views the report in the Power BI mobile app. What happens?

A. The report cannot be opened
B. The report automatically switches to a paginated view
C. The desktop layout is shown, scaled to fit the screen
D. The mobile layout is generated automatically

Correct Answer: C

Explanation:
If no mobile layout is defined, Power BI displays the desktop layout scaled to fit the mobile screen, which often leads to poor usability.

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Question 2

Which Power BI feature allows you to create a phone-optimized layout for a report page?

A. Bookmarks
B. Focus mode
C. Mobile layout view
D. Selection pane

Correct Answer: C

Explanation:
The Mobile layout view in Power BI Desktop lets you design a separate layout specifically optimized for mobile devices.

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Question 3

Which of the following is true about visuals in a mobile layout?

A. All desktop visuals automatically appear
B. Only selected visuals appear
C. Visuals appear but cannot be resized
D. Mobile layouts only support cards and charts

Correct Answer: B

Explanation:
Only visuals that you explicitly add to the mobile layout will appear in the Power BI mobile app.

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Question 4

What is the recommended layout pattern for mobile report pages?

A. Multi-column grids
B. Side-by-side visuals
C. Freeform overlapping visuals
D. Single-column vertical scrolling

Correct Answer: D

Explanation:
Mobile reports should use single-column, vertically stacked visuals to support natural scrolling and readability.

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Question 5

Which visual type is generally least suitable for mobile report layouts?

A. KPI card
B. Line chart
C. Large matrix with many columns
D. Bar chart

Correct Answer: C

Explanation:
Large matrices with many columns are difficult to read and interact with on small mobile screens.

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Question 6

A report consumer needs to interact with slicers on a mobile device. What is the best design approach?

A. Add as many slicers as possible
B. Use dropdown slicers and limit their number
C. Place slicers at the bottom of the page
D. Disable slicers for mobile layouts

Correct Answer: B

Explanation:
Dropdown slicers save space and improve usability on small screens. Limiting the number of slicers is a best practice.

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Question 7

Which of the following actions can help improve performance of mobile reports?

A. Adding more visuals
B. Increasing visual interactivity
C. Reducing the number of visuals per page
D. Using larger images

Correct Answer: C

Explanation:
Mobile devices have limited resources. Reducing the number of visuals improves performance and load times.

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Question 8

How does Power BI handle drill-through functionality on mobile devices?

A. Drill-through is not supported
B. Drill-through works only in landscape mode
C. Drill-through works but must be clearly designed
D. Drill-through only works on paginated reports

Correct Answer: C

Explanation:
Drill-through works on mobile, but users must be able to clearly identify how to access it, often through large touch-friendly visuals.

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Question 9

When should you create a mobile layout instead of relying on the desktop layout?

A. Only when using paginated reports
B. When users will primarily view reports on phones
C. Only when using DirectQuery
D. When exporting to PowerPoint

Correct Answer: B

Explanation:
If report consumption is primarily on mobile devices, creating a dedicated mobile layout is strongly recommended.

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Question 10

Which of the following statements about mobile layouts is correct?

A. Mobile layouts replace desktop layouts
B. Mobile layouts must be created before publishing
C. Each report page can have its own mobile layout
D. Mobile layouts only work in Power BI Desktop

Correct Answer: C

Explanation:
Each report page can have its own mobile-specific layout, independent of other pages.

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Exam Readiness Tip

For PL-300 questions mentioning:

• Phones
• Power BI mobile app
• Executives on the go
• Small screens

👉 Think mobile layout, simplified visuals, and touch-friendly design.

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