PL-900 Demonstrate the capabilities of Power Apps Practice Question
Contoso, Ltd. is a multinational company with a global sales team. They use Microsoft Power Apps to build a model-driven app for managing customer accounts and opportunities. The app uses Microsoft Dataverse as the data source. The sales team accesses the app on mobile devices while traveling. Recently, users have reported that the app is slow when loading large numbers of opportunities. The app has a custom page that displays a list of all opportunities without any filters. The page uses a gallery that loads all records at once. The app also uses several custom connectors to external systems, but the slowness is primarily observed when loading the opportunities list. The IT team has confirmed that the Dataverse environment is in the same region as the users, and network latency is not an issue. They need to improve the performance of the app. Which two actions should the IT team take? (Choose two.)
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
✓
Implement delegation in the gallery to filter data on the server
The correct answers are D and E. Implementing delegation in the gallery (D) ensures that filtering and sorting operations are performed server-side in Dataverse, reducing the amount of data transferred and improving load times. Adding a search box with a delegable filter (E) allows users to search for specific opportunities, and when the filter is delegable, the filtering happens on the server, further reducing the data retrieved. Option A is incorrect because disabling real-time synchronization with Microsoft Entra ID would not address data loading performance and could cause authentication issues. Option B is incorrect because simply replacing a model-driven app with a canvas app does not inherently improve performance; both app types can be optimized, and the issue is with data loading, not the app type. Option C is incorrect because increasing Dataverse storage capacity does not affect query execution speed; it only increases available storage space.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Disable real-time synchronization with Microsoft Entra ID
Why it's wrong here
Entra ID sync is unrelated to app performance.
- ✗
Replace the model-driven app with a canvas app
Why it's wrong here
Both app types use similar data loading; the issue is delegation.
- ✗
Increase the Dataverse storage capacity
Why it's wrong here
Storage capacity does not affect query performance.
- ✓
Implement delegation in the gallery to filter data on the server
Why this is correct
Delegation ensures large datasets are processed server-side, improving performance.
- ✓
Add a search box to filter the gallery by using a delegable filter
Why this is correct
Filtering with delegation reduces data load.
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Written by Johnson Ajibi, MSc IT Security
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