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Q51. - (Topic 8)
You need to configure toast notifications for the photo competition. Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Q52. DRAG DROP - (Topic 9)
You are developing a Windows Store app.
You need to create and run unit tests for the app.
Which three actions should you perform in sequence? (To answer, move the appropriate
actions from the list of actions to the answer area and arrange them in the correct order,)
Q53. DRAG DROP - (Topic 9)
You are developing a page for a Windows Store app.
You have the following requirements for the page:
. Display a button on the bottom app bar that allows the user to insert a picture. This button must be bound to the Insert command in the view model. . Display a button in the main content area of the page that allows the user to open documents. This button must be bound to the Open command in the view model.
You need to ensure that the requirements are met.
How should you complete the relevant code? (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.)
Q54. - (Topic 9)
You are developing a Windows Store app named GeoLoc. You have the following code:
When you run the app on some devices, you receive the following error message: "An exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll but was not handled in user code."
You need to resolve the issue that causes the exception to occur.
Which file should you modify?
Q55. DRAG DROP - (Topic 9)
You need to develop an app to measure whether a surface is level. The app will be used on devices that have a gyrometer.
You have the following code:
Which code snippets should you include in Target 1, Target 2 and Target 3 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.)
Q56. - (Topic 5)
You need to protect the metadata for the secure documents.
Which protection descriptor should you use for the DataProtectionProvider object?
Explanation: http://msdn.microsoft.com/en-us/library/windows/apps/windows.security.cryptography.dataprotection.dataprotectionprovi der.aspx
Q57. - (Topic 9)
You are developing a Windows Store app.
The app will access several web resources that use an OAuth 2.0 authentication provider.
You need to recommend in which class to store user credentials so that users do not have
to reenter their credentials when they access the web resources.
Which class should you recommend?
Explanation: The task of storing and retrieving user credentials securely and allowing user credentials roam at no cost with the user’s Microsoft account is simplified with the Credential Locker. Storing user credentials in the Credential Locker is a quick, two-step process. 1.Obtain a reference to the Credential Locker using the PasswordVault object from the Windows.Security.Credentials namespace. 2.Create a PasswordCredential object that contains an identifier for your app, the username and the password, and pass that to the PasswordVault.Add method to add the credential to the locker.
Q58. DRAG DROP - (Topic 9)
You are developing your first Windows Store app and submitting it to the Windows Store.
The app uses a cloud server to send notifications by using Windows Push Notification
You need to authenticate the cloud server with WNS.
Which five actions should you perform in sequence? (To answer, move the appropriate
actions from the list of actions to the answer area and arrange them in the correct order.)
Q59. - (Topic 9)
You are developing a Windows Store app that accesses a USB Human Interface Device (HID). The app has a default page and a settings page.
You need to ensure that when a user connects the USB device, the app starts automatically and opens the settings page.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)
A. Override the OnLaunched method in the Application class and use the ApplicationViewEventArgs interface.
B. Add a File Type Associations declaration to the app manifest.
C. Add a Removable Storage capability to the app manifest.
D. Override the OnActivated method in the Application class and use the ActivatedEventArgs interface.
E. Add an AutoPlay Device declaration to the app manifest.
Q60. DRAG DROP - (Topic 9)
You are developing a Windows Store app that uses the Windows Push Notification Service (WNS) to provide real-time updates to users. The app uses an HTTP request to authenticate a cloud service to interact with WNS.
The Package Security Identifier (SID) prefix is app://.
Parameter values must be URL encoded.
You need to ensure that the authentication request provides the required parameters.
Which parameters should you use? (To answer, drag the appropriate parameters to the correct location or locations. Each parameter 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.)