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70-357 Study Guide

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70-357 Dumps


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 displays the appropriate dialog window. Which method should you use?

A. FileOpenPicker.PickSingleFileAsync()
B. FileOpenPicker.PickMultipleFilesAsync()
C. StorageItem.OpenSequentialReadAsync()
D. StorageItem.GetFileFromPathAsync()
E. StorageItem.OpenReadAsync()

Answer: A


You are developing a Universal Windows Platform (UWP) app that allows users to lake photos and record videos. The photos and videos must be stored in the user’s Photos library and Videos library, respectively. The app must not display a user interface for saving files. You need to configure the app. Which set of capabilities should you declare in the app manifest?

A. webcam, location, proximity and Pictures library
B. webcam, microphone, Pictures library and Video library
C. Internet (client), microphone, location and proximity
D. Internet (client), Documents library, Videos library, and proximity

Answer: A


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.

A. Call the GetCurrcntApplicotionCallbackUri method.
B. Construct a HTTPS request URI.
C. Call the Authenticate Async method.
D. Construct a HTTP request URI.

Answer: A


Note: This question is part of a series of questions that present the same scenario. Each question in the series contains n unique solution. Determine whether the solution meets the stated goals. You need to implement the appropriate XAML layout for the Timeline app.
Solution: You create an instance of a SplitView control.
Does this meet the goal?

A. Yes
B. No

Answer: A


Note: This question is part of a series of questions that present the same scenario. Each question in the series contains n unique solution. Determine whether the solution meets the stated goals. You need to implement the appropriate XAML layout for the Timeline app. Solution: You create an instance of a StackPanel class. Does this meet the goal?

A. Yes
B. No

Answer: A


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