PL-900 Demonstrate the capabilities of Power Apps Practice Question
A maker is authoring a canvas app in Power Apps Studio and wants to reuse logic and control appearance across multiple screens. Which two capabilities support this goal? (Choose two.)
⚠ Common exam trap
The trap here is treating visual theming or experimental toggles as reuse mechanisms, when only components and named formulas actually carry reusable logic and appearance.
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
✓
Use a named formula in App.Formulas to define reusable values and logic
Components and named formulas are the two canvas app authoring features built for reuse. Components package controls, properties, and formulas that can be inserted on many screens and updated centrally. Named formulas in App.Formulas define values and logic once for use anywhere in the app. Together they let a maker maintain shared behavior and styling without duplicating definitions.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Enable the app's experimental features toggle
Why it's wrong here
Experimental features enable preview functionality that may change or be removed. Toggling them does not create reusable controls or shared logic. It may even introduce instability. This setting is unrelated to the goal of reusing logic and appearance across screens, so it is not a valid capability here.
- ✗
Set the app's theme to a custom color palette
Why it's wrong here
Themes apply a consistent color palette, which affects appearance, but they do not carry logic and cannot be inserted per screen as reusable units. A theme alone cannot deliver reusable formulas or a shared control composition. It addresses only styling, so it does not fulfill the requirement for reusable logic and appearance.
- ✓
Use a named formula in App.Formulas to define reusable values and logic
Why this is correct
App.Formulas allows named formulas that define values and logic once and reference them throughout the app. They recalculate as needed and can be used on any screen. This provides a single place to maintain shared logic, which supports reuse across multiple screens as the maker requires.
- ✓
Create a component and insert it on multiple screens
Why this is correct
Components are reusable building blocks that bundle controls, properties, and formulas. A maker can define a component once and insert instances on several screens, then update the definition to propagate changes. This directly supports reuse of both logic and appearance, making it a valid capability for the stated goal.
- ✗
Define a named formula with the With function for shared calculations
Why it's wrong here
The With function evaluates a record of values within a single formula's scope; it does not create a globally reusable definition. Named formulas exist in Power Apps, but the With function itself is scoped to one expression. It cannot be shared across screens as a reusable logic unit, so it does not meet the requirement.
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Last reviewed September 2026 · checked against the official Microsoft exam blueprint
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