Implement Advanced Canvas Apps Features PL-400 Practice Questions (Page 2)

Questions 6–10

1. 6application · medium

   An organization has multiple canvas apps that all display a common header with a logo, navigation buttons, and a user profile dropdown. The header must be consistent across all apps, and future updates should be made in one place. You need to implement this efficiently. What should you do?

   • ACopy the header controls from one app and paste them into each new app, then manually update each app when changes are needed.
   • BCreate a component library with a Header component that accepts parameters for user info and navigation items, then import it into each app.
   • CUse a Power Automate flow to push header updates to each app's source file.
   • DBuild a separate canvas app for the header and embed it as an iframe in each app.
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2. 7application · medium

   A company uses a canvas app for expense reporting. When a user submits an expense report, the app must validate that the total amount does not exceed the user's monthly approval limit (stored in a SharePoint list) and then trigger a Power Automate flow that sends the report for approval. The validation must happen before the flow runs. You need to implement the submission logic in the app. What should you do?

   • AUse the Filter() function to check the SharePoint list and then call the flow with the Filter result as a parameter.
   • BUse a Power Fx formula with LookUp to retrieve the user's limit, compare it to the total, and conditionally call the flow using the Run() function.
   • CCall the flow first and pass the total amount; let the flow query the SharePoint list and reject the submission if the limit is exceeded.
   • DStore the user's limit in a global variable at app startup and use that variable in the flow trigger without querying SharePoint again.
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4. 8foundation · easy

   Which Power Fx function is used to perform a calculation on all records in a table and return a single aggregated value?

   • ALookUp
   • BDistinct
   • CSort
   • DSum
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5. 9expert · medium

   A team maintains a component library with a 'NavigationMenu' component. The component has a property 'SelectedItem' that returns the currently selected menu item. A new requirement adds a 'BadgeCount' property that should display a number next to each menu item. The team wants to update the component without breaking existing apps. Which approach should they take?

   • ACreate a new component library and migrate all apps to it, leaving the old library unchanged.
   • BAdd a new input property 'BadgeCount' to the component, publish the library, and update each app to the new version.
   • CUpdate the component in one app and then copy it to the other apps.
   • DModify the existing 'SelectedItem' property to also return the badge count.
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6. 10foundation · easy

   You want a Power Automate flow to run automatically when a canvas app is opened. Which approach should you use?

   • ASet the OnStart property of the app to call the flow
   • BSet the OnSelect property of a hidden button to call the flow
   • CSet the OnVisible property of the first screen to call the flow
   • DSet the OnHidden property of the first screen to call the flow
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