HOTSPOT
You create a class in a namespace named BacJcgrounaTasics by using the following signature:
Public sealed class GetLatestPricesBackgroundTask : IBackgroundTask
The background task connects to a service to retrieve the latest price of the stock information used
by an app.
You add code to unregister any background tasks already registered to the OnNavigatedTo event
handler for the only page in the app.
You need to ensure that the task runs every 15 minutes once the app starts. You have the following
code segment:

Which code snippets should you insert in Target 1, Target 2, and Target 3 to complete the code? (To
answer, select the correct code snippet from each drop-down list in the answer area.)

You are developing a Windows Store app.
The app has the following requirements:
The app must print from the Devices charm.
In-app printing must be invoked by using a Print button on the user interface.
You need to ensure that the user can print documents successfully.
Which code segments should you use? (Each answer presents part of the solution. Choose all that
apply.)

You are developing a Windows Store app for a security monitoring company.
You have been asked to build a module that uploads large video files to a web-based video sharing
service.
You have the following requirements:
The video codex must match the proprietary format developed by the company’s internal labs.
When the app runs on a metered network connection, upload operations must be suspended.
When the app is suspended, upload operations must continue.
You need to ensure that the app meets the requirements.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)

DRAG DROP
You are developing a Windows Store app.
You need to profile the app performance.
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.)

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?

You are developing a Windows Store app.
The app contains a page named MainPage.
The page contains a media element named videoPlayer and a button named btnPlayTo.
You need to provide users with the ability to select a device that will display the contents of
videoPlayer when they click btnPlayTo.
Which code segment should you add to the Click event handler of btnPlayTo?

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.)

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?

HOTSPOT
You are developing a Windows Store app.

The app will use certificates issued by a standalone certification authority (CA) for authentication.
The standalone CA certificate is stored in a file named Ca.cer.
You need to configure the app manifest to ensure that the app can use certificates issued by the
standalone CA.
You have the following XAML markup in the app manifest:

Which code snippets should you insert in Target 1 and Target 2 to complete the XAML markup? (To
answer, select the correct code snippet from each drop-down list in the answer area.)

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 regardless of the device being used on a
corporate network.
Which app data store property should you use?