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Which method should you use?

You are developing a Universal Windows Platform (UWP) app. The app must allow the user to select only one file at a time. You need to ensure that the app

What should you do?

You are developing a Universal Windows Platform (UWP) app that uses XAML and C#. The app must use the Model-View-ViewModel (MVVM) pattern. The user interface (UI) triggers an event. You

Which of the following methods should you use?

You are developing a Universal Windows Platform (UWP) app. The app must be available on Windows Phone, Windows tablet devices, and Xbox. When the app is running on a device,

Which set of capabilities should you declare in the app manifest?

You are developing a Universal Windows Platform (UWP) app that allows users to take photos and record videos. The photos and videos must be stored in the user’s Photos library

Which pattern should you recommend?

You are designing a roadside assistance mobile app. The app displays a persistent list of links to pages. The pages provide a quick way to move between different views of

Answer presents part of the solution. Which two actions should you perform? Each

You have to connect your app to an online identity provider that uses OAuth authentication protocol. The app must securely use the WebAuthenticationBroker object for authentication. You need to ensure

You need to create the control. Which object should you use?

You must create a control that meets the following requirements: allows you to extend the behavior of a combo box allows the arrow image that is located at the right

Answer presents part of the solution. Which three tasks should you perform? Each

You have two Universal Windows Platform (UWP) apps named Catalog and Research, respectively. You need to create a service in the Catalog app that can be queried by the Research

Answer presents part of the solution. Which two actions should you perform? Each

You are developing a Universal Windows Platform (UWP) app. You need to provide a solution that moves the scroll bars of the ScrollViewer when a user rotates the mouse wheel.

Solution: You run the StorageFile.GetParentAsync method to get a reference to the existing file. Then, you run the StorageFile.CreateStreamedFileAsync method to create the new file at the same location. Does this meet the goal?

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution. Determine whether the solution meets the

Solution: You run the StorageFile.OpenSequentialReadAsync method to replace the existing file. Does this meet the goal?

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution. Determine whether the solution meets the