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 and Configure Power BI Reports for Accessibility

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

What is the primary purpose of adding alt text to visuals in Power BI?

A. Improve visual rendering performance
B. Describe visuals for screen reader users
C. Enable drill-through navigation
D. Improve data refresh speed

Correct Answer: B

Explanation:
Alt text provides a text description of a visual so screen readers can communicate the visual’s meaning to users with visual impairments.

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Question 2

Where do you configure alt text for a visual in Power BI Desktop?

A. Fields pane
B. Selection pane
C. Format pane → General
D. View → Accessibility

Correct Answer: C

Explanation:
Alt text is configured in the Format pane, under the General section of the visual.

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Question 3

Why is configuring tab order important for accessibility?

A. It improves dataset performance
B. It determines how visuals load
C. It controls keyboard navigation sequence
D. It enables mobile layouts

Correct Answer: C

Explanation:
Tab order defines the sequence in which users navigate visuals using a keyboard or screen reader.

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Question 4

Which Power BI feature allows you to set the tab order of visuals?

A. Bookmarks
B. Selection pane
C. Visual interactions
D. Drill-through settings

Correct Answer: B

Explanation:
The Selection pane includes Tab order settings that control keyboard navigation order.

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Question 5

Which design choice improves accessibility for users with color vision deficiencies?

A. Using red and green to show performance
B. Relying only on color gradients
C. Adding labels or icons in addition to color
D. Removing legends

Correct Answer: C

Explanation:
Information should not rely on color alone. Labels or icons ensure meaning is conveyed to all users.

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Question 6

Which visual characteristic may negatively impact accessibility?

A. Clear visual titles
B. High-contrast color schemes
C. Overlapping visuals
D. Descriptive axis labels

Correct Answer: C

Explanation:
Overlapping visuals create confusion for screen readers and keyboard navigation, reducing accessibility.

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Question 7

Which action helps ensure Power BI reports are usable with screen readers?

A. Disabling tooltips
B. Providing meaningful alt text
C. Using only custom visuals
D. Increasing dataset size

Correct Answer: B

Explanation:
Screen readers rely on alt text and logical navigation to communicate report content.

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Question 8

What is the recommended approach when using color to convey information?

A. Use as many colors as possible
B. Use color only for decoration
C. Combine color with text or shape indicators
D. Avoid color entirely

Correct Answer: C

Explanation:
Combining color with text or shapes ensures information is accessible to users with color vision impairments.

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Question 9

Which scenario most clearly requires accessibility-focused report design?

A. Personal analysis reports
B. Internal development dashboards
C. Public-facing or regulated reports
D. Temporary testing reports

Correct Answer: C

Explanation:
Public-facing and regulated reports often require accessibility compliance to meet legal and organizational standards.

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Question 10

Which of the following is a best practice for accessible Power BI report design?

A. Use dense matrices with small fonts
B. Hide key information in tooltips only
C. Use descriptive titles and readable fonts
D. Overuse conditional formatting

Correct Answer: C

Explanation:
Clear titles, readable fonts, and logical layouts improve accessibility and usability for all users.

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Exam Tip

If a PL-300 question references:

• Screen readers
• Keyboard navigation
• Visual impairments
• Accessibility standards

👉 Think alt text, tab order, color contrast, and clear labeling.

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