The answer is a canvas app with Power Automate flow triggered by form submission. This combination is correct because canvas apps offer responsive design that adapts seamlessly to both mobile devices and desktop browsers, while Power Automate provides the necessary approval workflow logic triggered by the expense report submission. On the Microsoft Power Platform Fundamentals PL-900 exam, this scenario tests your understanding of when to choose a canvas app over a model-driven app—model-driven apps are less flexible for mobile and rely on a predefined data structure, making them a poor fit for receipt uploads and custom layouts. A common trap is selecting a model-driven app for its built-in business process flows, but remember that approval workflows specifically require Power Automate’s trigger-and-action model. Memory tip: think “Canvas for custom forms, Automate for approvals”—if the app needs free-form design and mobile responsiveness, always pair a canvas app with Power Automate.
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. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 company wants to create a Power App that allows employees to submit expense reports with receipts. The app must be accessible from both mobile devices and desktop browsers, and must include a workflow for approval. Which combination of Power Platform components should be used?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Canvas app with Power Automate flow triggered by form submission.
A canvas app provides responsive design for mobile/desktop, and Power Automate handles the approval workflow. Option A is wrong because model-driven apps are less flexible for mobile. Option C is wrong because Power Pages are external. Option D is wrong because AI Builder is not needed for approval.
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.
✓
Canvas app with Power Automate flow triggered by form submission.
Why this is correct
Canvas apps can be responsive and Power Automate handles the approval process.
Related concept
Static NAT maps one inside address to one outside address.
✗
Model-driven app with embedded Power Automate flow for approval.
Why it's wrong here
Model-driven apps are not as mobile-friendly for custom forms like expense reports.
✗
Canvas app with AI Builder to process receipts and Power Automate for approval.
Why it's wrong here
AI Builder is an additional cost and not required for basic receipt submission.
✗
Power Pages site with a custom workflow.
Why it's wrong here
Power Pages are for external users, not internal employees.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
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: Canvas app with Power Automate flow triggered by form submission. — A canvas app provides responsive design for mobile/desktop, and Power Automate handles the approval workflow. Option A is wrong because model-driven apps are less flexible for mobile. Option C is wrong because Power Pages are external. Option D is wrong because AI Builder is not needed for approval.
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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A user wants to create an app that allows employees to submit expense reports from their mobile devices. The app should capture photos of receipts and store them. Which type of app is most suitable?
easy
A.Model-driven app
B.Power Apps portal
C.Power Automate flow
✓ D.Canvas app
Why D: Option A is correct because canvas apps provide a customizable, mobile-friendly interface with camera integration. Model-driven apps are form-centric and less flexible for custom layouts. Portal apps are for external users. Power Automate is for workflows, not app creation.
Variation 2. An organization needs a Power App that allows employees to submit expense reports by filling out a form and attaching receipts. Which type of app should you create and why?
easy
✓ A.Canvas app, because it provides flexible form design and supports file attachments
B.Model-driven app, because it uses standard Dataverse forms
C.AI Builder app, because it can process receipts automatically
D.Power Apps portal, because it allows external users to submit expenses
Why A: Option A is correct because canvas apps are best for custom form-based interfaces with file uploads. Option B is wrong because model-driven apps are form-based but primarily for data management, not custom input forms. Option C is wrong because portal apps are for external users. Option D is wrong because AI Builder is not an app type.
Variation 3. A business analyst wants to create a simple expense report app without writing code. The app should allow users to submit expenses and managers to approve or reject them. Which type of Power App should the analyst use?
easy
✓ A.Canvas app
B.Power Pages
C.Copilot Studio
D.Model-driven app
Why A: Option B is correct because canvas apps start from a blank canvas or template and allow drag-and-drop design for simple forms. Option A is wrong because model-driven apps are more complex and require Dataverse. Option C is wrong because Power Pages are external-facing websites. Option D is wrong because Copilot Studio is for chatbots.
Last reviewed: Jun 21, 2026
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