Microsoft Advanced Windows Store App Development using C# Sample Questions:

1. 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.)

2. You are developing a Windows Store app named VideoPlayer.
The app will provide user with the ability to select video files by using the file picker and to play the video.
You need to recommend a solution for the app that meets the following requirements:
- If the app is terminated while playing a video, the next time the app starts, the
video must play.
- The app must minimize the amount of storage space used.
- The app must NOT request any capabilities.
What should you include in the recommendation?

A) Store the StorageFile.Path property in ApplicationData.Current.LocalSettings.
B) Add the file to AccessCache.StorageApplicationPermissions.MostRecentlyUsedList.
C) Store the video in ApplicationData.Current.LocalFolder.
D) Store the video in ApplicationData.Current.RoamingFolder.

3. DRAG DROP
You need to call the DoWork() method asynchronously in a background task.
Which four lines of code should you use to create the Run() method on line SP13? (To
answer, move the appropriate lines of code from the list of code segments to the answer area and arrange them in the correct order.)

4. HOTSPOT
You are developing a Windows Store app. You have the following resource table.

You need to bind the text resource to a XAML text block.
How should you complete the code segment? (To answer, select the appropriate option from each drop-down list in the answer area.)

5. You are developing a Windows Store app for devices connected to AC power.
The app must meet the following requirements:
- The app must download movie reviews from a web service once per hour. - The app must have new movie reviews ready for the user when the user interacts with the app. - The app cannot interact with the lock screen.
You need to ensure that the web service is called periodically whether the app is running or suspended.
What should you do?

A) Implement the IBackgroundTask interface to make the service call and then register a MaintenanceTrigger object to run the background task every hour.
B) Implement the IBackgroundTask interface to make the service call and then register a PushNotificationTrigger object to run the background task when the new reviews are available.
C) Implement the IBackgroundTask interface to make the service call and then register a TimeTrigger object to run the background task every hour.
D) Use the ThreadPoolTimer.CreatePeriodicTimer() static method to periodically call the web service to get new movie reviews for display.

Solutions: