Free Microsoft 70-491 Exam Dumps Questions & Answers

You place a breakpoint at line MP31 in the app.
When you debug the app, the debugger continuously catches a
System.UnauthorizedAccess exception.
You need to resolve the exception.
What should you do?

• A.At line MP10, change the code segment to the following line of code. read if(cameraUI != null)
• B.Move line CE09 to CE16.
• C.Wrap lines CE43 through CE46 in a try-catch statement.
• D.At line PA25, insert the following line of code. <Capability Name="picturesLibrary"/>

DRAG DROP
You are developing a Windows Store app.
The app will provide users with the ability to play music remotely on another user's device
and then the other users will guess the name of the song.
You need to access the music storage and to retrieve files and folders.
You have the following code:

Which elements should you include in Target 1, Target 2, Target 3 and Target 4 to complete the code? (To answer, drag the appropriate elements to the correct targets in the answer area. Each element may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)

Correct Answer:

You need to implement the photo viewer control to meet the requirements.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)

• A.Create a custom control.
• B.Add the themes\generic.xaml file to the project and reference it from the control.
• C.In the constructor of the class, set the value of the DefaultStyleKey to the type of the control.
• D.Create a composite control.
• E.Create a user control.

DRAG DROP
You are developing a Windows Store app.
You need to ensure that the app meets the following requirements:
- When the app is started, the app bar must appear at the top of the app. - When the app is resized, if the new width of the app is less than 400 pixels, the app bar must be hidden. Users must be able to show the app bar by right-clicking.
- When the app is resized, if the new width is greater than 400 pixels, the app bar must be visible. Users must be able to hide the app bar by right-clicking, pressing Windows + Z, or swiping in from the top edge of the screen.
You have the following XAML markup in a file named MainPage.xaml. (Line numbers are included for reference only.)

You have the following code in a file named MainPage.xaml.es. {Line numbers are included for reference only.)

Which code segments should you insert in MainPage.xaml and MainPage.xaml.cs? (To answer, drag the appropriate code segments to the correct locations in the answer area. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)

Correct Answer:

DRAG DROP
You are developing a Windows Store app that includes three objects. A data template named SceneTemplate provides the correct view for all of the objects.
The objects must be rendered as full-screen scenes that users can navigate between by
swiping.
You need to create the content of a page that renders each object to meet the requirement.
You have the following code:

Which code snippets should you insert in Target 1 and Target 2 to complete the code? (To answer, drag the appropriate code snippets to the correct targets in the answer area. Each code snippet may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)

Correct Answer: