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

1. You are developing a Windows Store app.
You declare a Search declaration in the app manifest and you add a search results page.
You plan to display search results by using a Query Text property that derives from EventArgs,
You need to ensure that users can use the Search charm to search for content within the app.
What should you do?

A) Add an event handler for the SearchPane.QueryChanged event to MainPage.xaml.es. Register the event handler in the OnWindowCreated method in MainPage.xaml.es.
B) Add an event handler for the SearchPane.QuerySubmitted event to App.xaml.cs. Register the event handler in the OnWindowCreated method of the page.
C) Add an event handler for the SearchPane.QuerySubmitted event to App.xaml.cs. Register the event handler in the constructor of the page.
D) Add an event handler for the SearchPane.QuerySubmitted event to MainPage.xaml.es. Register the event handler in the OnWindowCreated method in MainPage.xaml.es.

2. You need to configure the Picture Sharer app to support only the required device orientations.
What should you do?

A) In the Package.appxmanifest file, configure the Landscape and Landscape-flipped orientations.
B) In the PictureSharerMainPage.xaml file, configure the Landscape and Landscape-flipped orientations.
C) In the App.manifest file, configure the Portrait and Portrait-flipped orientations.
D) In the App.xaml file, configure the Portrait and Portrait-flipped orientations.
E) In the Package.appxmanifest file, configure the Snapped and Filled orientations.
F) In the App.xaml file, configure the Portrait and Landscape orientations.

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

4. You are developing a Windows Store app that will be used to access large files stored online.
The files will be shared between users worldwide.
You need to recommend a solution to ensure that the users can download the files as quickly as possible.
Which storage solution should you recommend?

A) OneDrive
B) Microsoft Azure Content Delivery Network (CDN)
C) A roaming folder
D) Microsoft Azure Mobile Services

5. HOTSPOT
You need to verify whether the app conforms to the Windows Store requirements.
What command should you run? (To answer, select the appropriate options in the answer area.)

Solutions: