PL-900 Practice Question: Describe the business value of Microsoft Power Platform
An organization uses Power BI to analyze sales data. They notice that the report takes over a minute to load, and they need to improve performance quickly without changing the data source. Which action should they take?
⚠ Common exam trap
It's easy for candidates to assume performance issues must be solved by changing the data connectivity mode (DirectQuery vs. Import) or by adding aggregations, but the quickest and simplest fix—reducing visual count—is overlooked because it seems too trivial.
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
✓
Reduce the number of visuals on the dashboard.
Reducing the number of visuals on a Power BI dashboard directly decreases the number of queries sent to the data model and the rendering workload, which can significantly improve load times without altering the data source. This is the quickest performance optimization available when the data source cannot be changed, as each visual typically triggers separate DAX queries and rendering processes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Change the data source to use DirectQuery instead of Import.
Why it's wrong here
DirectQuery may not improve performance and could cause slowness with live queries.
- ✗
Implement data aggregations in Power BI.
Why it's wrong here
Aggregations require setup and are not immediate.
- ✓
Reduce the number of visuals on the dashboard.
Why this is correct
Fewer visuals reduce the number of queries and rendering time.
- ✗
Create a new composite model.
Why it's wrong here
Composite models add complexity and are not a quick fix.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PL-900 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PL-900 exam.