PL-300 Visualize and analyze the data Practice Question
You are a data analyst for a healthcare organization. You have a Power BI report with a clustered bar chart that displays patient counts by department. The report is used by hospital administrators who need to identify which department has the highest patient count. They also want to see the exact patient count for each department without hovering. Which feature should you enable on the visual to meet this requirement?
⚠ Common exam trap
It's easy for candidates to confuse tooltips with data labels, as both show values but tooltips require hovering.
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
✓
Data labels
Data labels are the correct feature because they display the exact numeric values directly on the visual, allowing administrators to read patient counts without hovering. This meets the need for persistent, at-a-glance information. Other options either require interaction or do not show values.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Tooltips
Why it's wrong here
Tooltips appear only when a user hovers over a data point, which does not satisfy the requirement to see exact counts without hovering. While tooltips can show additional details, they are not persistent. Therefore, they fail to provide the always-visible values needed by the administrators.
- ✗
Analytics pane
Why it's wrong here
The Analytics pane is used to add reference lines, trend lines, or forecasts to a visual, not to display data point values. It does not provide exact patient counts on each bar. Using it would not meet the requirement of showing exact values without interaction.
- ✓
Data labels
Why this is correct
Data labels display the exact numeric value directly on each bar, so administrators can read patient counts without hovering. This is the standard way to show precise values on a chart. Enabling data labels on the clustered bar chart provides the required information at a glance, improving usability for the intended audience.
- ✗
Conditional formatting
Why it's wrong here
Conditional formatting changes the color or style of visual elements based on rules, but it does not display numeric values. It can help highlight high or low values, but administrators still would not see the exact patient counts. Thus, it does not satisfy the requirement.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Microsoft exam blueprint
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