PL-900 Demonstrate the capabilities of Power Apps Practice Question
A field technician needs a mobile app that reads the device camera to capture equipment photos and writes each photo together with a work order number to a Microsoft Dataverse table. The technician wants to build it quickly with drag-and-drop controls and no server-side code. Which Power Apps app type fits best?
⚠ Common exam trap
Candidates often confuse model-driven apps, whose forms and views come from the data model, with canvas apps, where the maker freely places controls such as the camera.
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
✓
Canvas app
Canvas apps are the Power Apps option designed for pixel-level control and rapid drag-and-drop authoring. A maker can add a Camera control, capture an image, and use formulas to create a Dataverse record containing the image and the work order number. This requires no server-side code and is well suited to a mobile technician workflow.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Power BI dashboard embedded in the app
Why it's wrong here
Power BI is a reporting and visualization service, not an app-building tool. A dashboard displays analytics and cannot capture camera input or write new work order records. Embedding it would not deliver the data-entry capability the technician needs, so it is the wrong product for this scenario.
- ✗
Power Apps portal
Why it's wrong here
A Power Apps portal builds external-facing websites on Dataverse data, typically for customers or partners. It is not designed for a technician's device camera capture workflow and does not provide the canvas control model. It targets web audiences, not internal mobile data capture, so it does not fit.
- ✗
Model-driven app
Why it's wrong here
Model-driven apps are composed from Dataverse tables, forms, and views, and their layout is largely determined by the data model. They do not offer drag-and-drop camera controls on a blank canvas. For a quick camera-centric mobile experience, a canvas app is the appropriate choice, so a model-driven app is not the best fit.
- ✓
Canvas app
Why this is correct
Canvas apps let makers place controls such as the Camera control on a blank canvas, bind them to Dataverse as a data source, and use formulas to write the captured image and work order number. This supports fast drag-and-drop development with no server-side code, matching the technician's needs.
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Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Microsoft exam blueprint
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