PL-900 Demonstrate the capabilities of Power Apps Practice Question
This PL-900 practice question tests your understanding of demonstrate the capabilities of power apps. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A Power Apps developer created a canvas app that uses a SQL Server data source. Users report that the app is slow when navigating between screens. Which design change should the developer make to improve performance?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Apply delegation-compatible filters on galleries to reduce data loaded from the server.
Using delegation with server-side filtering (A) reduces data transfer and improves speed. B is incorrect because OnStart runs once and does not affect navigation. C is wrong as SQL supports delegation. D is unnecessary; the issue is data volume.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Replace the SQL data source with a SharePoint list to increase delegation limits.
Why it's wrong here
SharePoint has lower delegation limits than SQL.
✗
Move all data loading logic from OnVisible to the App.OnStart property.
Why it's wrong here
This does not reduce data transfer; it may delay initial load.
✗
Add a Timer control to preload data for the next screen.
Why it's wrong here
Preloading increases data consumption and does not address the root cause.
✓
Apply delegation-compatible filters on galleries to reduce data loaded from the server.
Why this is correct
Delegation pushes filtering to SQL, reducing data sent to the app.
Related concept
Static NAT maps one inside address to one outside address.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related PL-900 NAT questions on configuration and troubleshooting.
Demonstrate the capabilities of Power Apps — This question tests Demonstrate the capabilities of Power Apps — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Apply delegation-compatible filters on galleries to reduce data loaded from the server. — Using delegation with server-side filtering (A) reduces data transfer and improves speed. B is incorrect because OnStart runs once and does not affect navigation. C is wrong as SQL supports delegation. D is unnecessary; the issue is data volume.
What should I do if I get this PL-900 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related PL-900 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Question Discussion
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