PL-900 Demonstrate the capabilities of Power Apps Practice Question
A business analyst creates a canvas app connected to a SharePoint list. Users report that the app loads slowly when accessing it on their mobile phones. What is the most likely cause?
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
✓
The app retrieves all columns from the SharePoint list on startup
Slow loading on mobile is often due to too many data source calls on startup. Using fewer columns reduces load time. The app size and delegation issues are less likely to be the primary cause here.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The app uses a non-delegable query
Why it's wrong here
Non-delegable queries affect data limits, not necessarily startup speed.
- ✗
The SharePoint list has more than 500 items
Why it's wrong here
500 items is small; SharePoint can handle more with delegation.
- ✓
The app retrieves all columns from the SharePoint list on startup
Why this is correct
Correct: Retrieving unnecessary columns increases data load and slows performance.
- ✗
The app uses too many images and controls on the first screen
Why it's wrong here
While images can affect performance, the most common issue is excessive data retrieval.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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