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Microsoft 070-491 Exam Syllabus Topics:

Microsoft Recertification for MCSD: Windows Store Apps using C# Sample Questions:

1. You are developing a Windows Store app that will be used as an IT support ticket system.
You need to ensure that user settings are available to only a single device.
Which property should you use?

A) Windows.Storage.ApplicationData.Current.LocalFolder
B) Windows.Storage.ApplicationData.Current.LiveSyncFolder
C) Windows.Storage.ApplicationData.Current.RoaimingFolder
D) Windows.Storage.ApplicationData.DefaultRemoteFolder

2. You are developing a Windows Store app that will provide users with the ability to save annotations to text files.
You have the following code segment: (Line numbers are included for reference only.)

You need to add the contents of data to the beginning of file. Which code segment should you insert at line 03?

A) Option C
B) Option A
C) Option D
D) Option B

3. 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?

A) Package.appxmanifest
B) App.xaml
C) Assemblyinfo.es
D) Geoloc.csproj

4. You plan to develop a Windows Store app to create pictures.
Users of the app will be able to save the pictures that they create and to share the pictures with friends by using a web link.
You need to ensure that the friends can makes comments on the shared pictures.
Which storage technology should you use? (More than one answer choice may achieve the goal. Select the BEST answer.)

A) One Drive
B) Microsoft Azure Mobile Services
C) Microsoft Azure blob storage
D) Roaming storage

5. DRAG DROP
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.)

Solutions: