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

1. You plan to create a custom panel that displays a pie chart. Each value of the pie chart will have a control.
You need to register a custom dependency property to the panel.
Which code segment should you use?

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

2. You are developing a Windows Store app. The app has the following requirements:
- Files must be stored on a device's file system so other Windows Store apps can access them. - Additional configuration must be performed to make the location of the files available to other Windows Store apps.
You need to meet the requirements.
Where should you store the files? (Each correct answer presents a complete solution. Choose all that apply.)

A) App data locations
B) Documents library
C) App install directory
D) Removable devices
E) User's download folder

3. DRAG DROP
You are developing a Windows Store game. The game allows for interactive online play between users.
The game authenticates users by using the credentials of a third-party site that provides OAuth2 authentication.
You need to implement authentication that uses an implicit grant authorization.
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.)

4. Users report performance issues when getting the location information associated with a photo. You suspect the app is encountering performance issues in the GetLocationAsync() method of the Environment class.
You need to enhance the performance of the GetLocationAsync() method of the app.
What should you do?

A) Move the locator variable to a class level variable and initialize it in the Environment constructor.
B) set the ReportInterval property of the Compass object to 16.
C) set the ReportInterval property of the Compass object to 0.
D) Remove the Compass initialization from the LoadSensors() method and initialize it within the GetLocationAsync() method.

5. DRAG DROP
You need to write code for the method that will be called when a user takes a picture. (Develop the solution by arranging the code snippets. You will need all of the code snippets.)

Solutions: