| Exam Code/Number: | 70-357Join the discussion |
| Exam Name: | Developing Mobile Apps |
| Certification: | Microsoft |
| Question Number: | 55 |
| Publish Date: | Sep 04, 2026 |
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You have to connect your app to an online identity provider that uses OAuth authentication protocol.
The app must securely use the Web Authentication Broker object for authentication.
You need to ensure that the app registers with the provider.
Which two actions should you perform? Each correct answer presents part of the solution.
Drag and Drop Question
You are building a Universal Windows Platform (UWP) app that displays a list of books.
The books will the displayed in a ListView control.
You are binding to a collection of type BookDataGroup.
You need to create a DataTemplate for your ListView that displays the book' s title and author.
The title must be displayed beforethe author.
Which four markup segments should you use to develop the solution? To answer, move the appropriate markup segments from thelist of markup segments to the answer area and arrange them in the correct order.

Hotspot Question
You are reviewing the App_BackRequested method in the MainPage.xaml.cs file.
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.

You need to design the navigation tor the timeline.
What navigation should you use?
You are designing a roadside assistance mobile app.
The app displays a persistent list of links to pages.
The app displays a persistent list of links to pages.
The pages provide a quick way to move between different views of the app.
You need to recommend a user interface pattern that meets the following requirements:
- Allow users to navigate to frequently accessed, distinct content
categories,
- Provide two or more content pones that have corresponding category
headers.
- Display the navigation controls on the top of the screen.
- Highlight the currently selected navigation control.
Which pattern should you recommend?