70-485 129 Q&S Advanced Windows Store App Development Using C#

Which three actions should you perform in sequence?

You are developing a Windows Store app.
The following code is provided as part of an RSS feed reader.

You need to create an asynchronous method that reports progress and allows cancellation.
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.)
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Which code snippets should you insert in Target 1, Target 2, and Target 3 to complete the code?

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.)

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Which three code segments should you arrange in sequence at lines 03, 04, and 05?

You are developing a Windows Store app that writes data to a file.
You have the following requirements:
If a file exists with the same name, it should be overwritten by the new file.
The data must be stored in the app data folder.
The method is defined as follows. (Line numbers are included for reference only.)

You need to complete the method to meet the requirements. Which three code segments should you arrange in sequence at lines 03, 04, and 05? (To answer, move the appropriate code segment from the list of code segments to the answer area and arrange them in the correct order.)
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Which code snippets should you insert in Target 1 and Target 2 to complete the code?

You are developing a Windows Store app.
The app must receive push notifications from a calling app by using Windows Push Notification Service (WNS).
You have the following code:

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

You are developing a Windows Store app that uses a light sensor to detect and respond to light changes. An object named lightSensor is an instance of the sensor service.
The light sensor must detect changes once per second. If the sensor is unable to record as fast as once per second, then it must use the fastest interval possible.
You need to ensure that the app meets the requirements. You have the following code:

Which code snippets should you include in Target 1 and Target 2 to complete the code? (To answer, drag the appropriate code snippets to the correct targets in the answer area. Each code snippet 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.)
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Which code snippets should you insert in Target 1 and Target 2 to complete the code?

You are developing a Windows store app that requires text documents. The documents are loaded from a web service and are often larger than 5 MB.
The users of the app travel between offices that are located on different continents.
The app must support thousands of documents and use as little local storage as possible.
You need to store the documents to meet the requirements.
You have the following code:

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

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Which code snippets should you include in Target 1, Target 2 and Target 3 to complete the code?

You are developing a Windows Store app.
You need to use text resources in the app for localization.
You have the following code:

Which code snippets should you include in Target 1, Target 2 and Target 3 to complete the code? (To answer, drag the appropriate code snippets to the correct targets in the answer area. Each code snippet 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.)
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You plan to deploy an app to the Windows Store. The app will have a trial mode of 30 days.

You plan to deploy an app to the Windows Store. The app will have a trial mode of 30 days.
You need to develop a solution that displays a notification on the main page that shows the number of days remaining before the trial mode expires.
Develop the solution by selecting and ordering the required code snippets. You may not need all of the code snippets.
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Which code snippets should you include in Target 1 and Target 2 to complete the code?

You are developing a Windows Store app that logs error information to be used for troubleshooting.
You need to create a log that will contain the events to be used by Event Tracing for Windows (ETW).
You have the following code:

Which code snippets should you include in Target 1 and Target 2 to complete the code? (To answer, drag the appropriate code snippets to the correct targets in the answer area. Each code snippet 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.)
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Which code snippets should you include in Target 1, Target 2 and Target 3 to complete the code?

You need to develop an app to measure whether a surface is level. The app will be used on devices that have a gyrometer.
You have the following code:

Which code snippets should you include in Target 1, Target 2 and Target 3 to complete the code? (To answer, drag the appropriate code snippets to the correct targets in the answer area. Each code snippet 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.)
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Which code segments should you insert at lines 04, 08 and 10?

You are developing a Windows Store app to record audio.
You need to ensure that when an audio recording reaches the maximum permitted length, the app sends a message to the user indicating that recording has stopped.
You have the following code: (Line numbers are included for reference only.)

Which code segments should you insert at lines 04, 08 and 10? (To answer, drag the appropriate code segments to the correct locations. 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.)
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Which three actions should you perform in sequence?

You are developing a Windows Store app that uploads large files to the Internet by using background tasks.
uploadTask is an instance of the IBackgroundTask interface that provides access to a background task instance. UploadFilesAsync() is the asynchronous method that performs the upload.
You need to ensure that the app performs the upload operation asynchronously in a background task.
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.)
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Which code snippets should you insert in Target 1, Target 2, Target 3, Target 4, Target 5 and Target 6 to complete the XAML markup?

You plan to develop several Windows Store apps.
You plan to use a CheckBox control in all of the apps. The CheckBox control will use a custom visual display.
You create XAML markup to customize the control. The code contains all of the necessary visual components for the control, including elements named checkedGlyph and indeterminateGlyph.
You need to ensure that the check box meets the following requirements:
If a value for the check box was NOT set, the check box must display indeterminateGlyph.
When the check box is selected, the check box must display checkedGlyph.
If the check box is cleared, the check box must NOT display any glyphs.
You have the following XAML markup:

Which code snippets should you insert in Target 1, Target 2, Target 3, Target 4, Target 5 and Target 6 to complete the XAML markup? (To answer, select the correct code snippet from each drop-down list in the answer area.)

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Which code snippets should you include in Target 1 and Target 2 to complete the code?

You are developing a Windows Store app that allows users to take and edit pictures.
The user interface must remain responsive while the user works with pictures. You need to ensure that the app allows users to crop captured pictures.
You have the following code: private async void CapturePhoto()

Which code snippets should you include in Target 1 and Target 2 to complete the code? (To answer, drag the appropriate code snippets to the correct targets in the answer area. Each code snippet 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.)
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Which three actions should you perform in sequence?

You are developing a Windows Store app that receives data from two providers. Data from Provider1 is sent as a hex string. Data from Provider2 is sent as Base64 encoding.
Data from Provider1 must be captured before data from Providers is captured.
You need to compare the strings from each provider to verify that the cryptographic buffers match.
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.)
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How should you complete the code segment?

You are developing a Windows Store game that saves virtual store purchase information to the local device.
The app must create a setting named PlayerName within a container named Purchases. The app must store the value of the PlayerName property in the local store.
You need to meet the requirements.
How should you complete the code segment? (To answer, drag the appropriate terms to the correct location or locations. Each term 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.)
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How should you complete the code segment?

You are developing a Windows Store app that allows bloggers to capture videos and upload them to a blog.
You need to ensure that the app saves the captured video in MP4 format to the blogger’s videos library.
How should you complete the code segment? (To answer, select the appropriate line of code from each drop-down list in the answer area.)
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Which three actions should you perform in sequence?

You are developing a Windows Store app that downloads large files from the Internet by using background tasks.
The app includes the following:
tasklnstance is an instance of the IBackgroundTask interface that provides access to a background task instance.
DownloadFilesAsyncQ is the asynchronous method that performs the download.
You need to ensure that the app performs the download operation asynchronously in a background task.
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,)
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How should you complete the code segment?

You are developing a Windows Store app. The app has the following requirements:
It must allow users to choose contacts by using a ContactPicker class. It must continue to be responsive while the ContactPicker class is displayed.
You need to ensure that the ContactPicker class is displayed to meet the requirements.
How should you complete the code segment? (To answer, select the appropriate line of code from each drop-down list in the answer area.)
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What should you do?

You are developing a Windows Store app.
You need to create an animation that moves a rectangle horizontally across the screen by using a storyboard.
What should you do? (To answer, drag the appropriate option to the correct location or locations in the answer area. Each option 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.)
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Which parameters should you use?

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.)
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Which four actions should you perform in sequence?

You are developing a Windows Store app that prints documents.
You need to ensure that the app enables the user to specify the print orientation.
Which four 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.)
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How should you complete the initialization of the print functionality?

You are developing a Windows Store app that displays and prints information. You have the following code.

You need to enable printing.
How should you complete the initialization of the print functionality? (To answer, select the appropriate element from the drop-down list in the answer area.)
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How should you complete the code segment?

You are developing a Windows Store game. The game allows users to purchase additional levels in the game.
You need to run the ContinueToLevel2() method if the user has a license to Level 2.
How should you complete the code segment? (To answer, drag the appropriate lines of code to the correct location or locations. 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.)
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Which tool should you use for each statistic?

You are collecting metrics from a Windows Store app that has been deployed to the Windows Store.
You need to collect data to analyze the quality and success of the app.
Which tool should you use for each statistic? (To answer, drag the appropriate metrics to the correct location or locations in the answer area. Each metric 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.)
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Which three actions should you perform in sequence?

You are developing a Windows Store app.
The app has numerous features that should be enabled or disabled based on the license information of the app.
You need to test the trial functionality by using the CurrentAppSimulator class.
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.)
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How should you complete the code segment?

You are developing a Windows Store app that allows users to copy music from their local computers to removable storage.
The app displays songs grouped by the month the song was downloaded and allows individual songs to be copied to the removable storage device. The user interface for selecting and copying songs uses data binding.
You need to load and return songs in a format appropriate for data binding.
How should you complete the code segment? (To answer, select the appropriate line of code from each drop-down list in the answer area.)
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How should you complete the code segment?

You are developing a Windows Store app.
You need to encrypt data.
How should you complete the code segment? (To answer, select the appropriate line of code from each drop-down list in the answer area.)
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Which three actions should you perform in sequence?

You are developing a Windows Store app that downloads large files from the Internet by using background tasks.
The app includes the following:
tasklnstance is an instance of the IBackgroundTask interface that provides access to a background task instance.
DownloadFilesAsync() is the asynchronous method that performs the download.
You need to ensure that the app performs the download operation asynchronously in a background task.
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,)
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How should you complete the code segment?

You are developing a Windows Store app that must use a background task to retrieve local weather conditions from the Internet.
You need to ensure that the app can update the user interface while it is in a running or suspended state.
How should you complete the code segment? (To answer, drag the appropriate term to the correct location or locations in the answer area. Each term 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.)
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How should you complete the code segment?

You are developing a Windows Store app.
The app must send video from a phone to a TV by using the Play To contract. You need to complete the SourceRequest event of the PlayToManager object.
How should you complete the code segment? (To answer, drag the appropriate lines of code to the correct location or locations. 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.)
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How should you complete the initialization of the print functionality?

You are developing a Windows Store app that displays and prints information. You have the following code.

You need to enable printing. How should you complete the initialization of the print functionality? (To answer, select the appropriate element from the drop-down list in the answer area.)
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Which four actions should you perform in sequence?

You are developing a Windows Store app that prints documents.
You need to ensure that the app enables the user to specify the paper size.
Which four 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.)
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Which five actions should you perform in sequence?

You are developing your first Windows Store app and submitting it to the Windows Store.
The app uses a cloud server to send notifications by using Windows Push Notification Service (WNS).
You need to authenticate the cloud server with WNS.
Which five 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.)
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How should you complete the code segment?

You are developing a Windows Store app. The app allows users to purchase additional features from within the app.
You need to run the EnableExtendedFeatures() method if the user has purchased extended features.
How should you complete the code segment? (To answer, drag the appropriate lines of code to the correct location or locations. Each line of code 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.)
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Which metric should you use for each statistic?

You are collecting metrics from a Windows Store game that has been deployed to the Windows Store for a year.
You need to collect data to analyze the quality and success of the game.
Which metric should you use for each statistic? (To answer, drag the appropriate metrics to the correct location or locations in the answer area. Each metric 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.)
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How should you complete the code segment?

You are developing a Windows Store app.
A file named Test.csv contains the following content:

You have a project that contains the following code:

The Test1 function is the only test in the project.
For each of the following statements, select Yes if the statement is true. Otherwise select No.
Each correct selection is worth one point.
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How should you complete the code segment?

You are developing a Windows Store app that allows users to copy music from their local computers to removable storage.
The app displays songs grouped by the month the song was downloaded and allows individual songs to be copied to the removable storage device. The user interface for selecting and copying songs uses data binding.
You need to load and return songs in a format appropriate for data binding.
How should you complete the code segment? (To answer, select the appropriate line of code from each drop-down list in the answer area.)
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Which declaration should you use?

You are developing a Windows Store app that saves a file to a cloud service for other apps to use.
You need to configure the app manifest.
Which declaration should you use? (To answer, select the appropriate declaration from the drop- down list in the answer area.)
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Which three actions should you perform in sequence?

You are developing a Windows Store game that downloads virtual store information from two servers. Store information from Server1 is sent as a hex string. Store information from Server2 is sent as Base64 encoding.
Data from Server1 is configuration data and must be captured before data from Server2 is captured.
You need to compare the strings from each server to verify that the cryptographic buffers match.
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,)
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How should you complete the code segment?

You are developing a Windows Store app that caches user application data in the local data store. The app must create a setting named UserName within a container named UserSettings. The app must store the user name in the local store.
You need to meet the requirements.
How should you complete the code segment? (To answer, drag the appropriate options to the correct location or locations. Each option 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.)
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How should you complete the code segment?

You are developing a Windows Store app that uses location services. You need to indicate that a user has blocked location services.
How should you complete the code segment?
(To answer, select the appropriate line of code from the drop-down list in the answer area.)
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How should you complete the code segment?

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.)
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How should you complete the code segment?

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

You need to use text resources in the app.
How should you complete the code segment? (To answer, select the appropriate line of code from each drop-down list in the answer area.)
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How should you complete the code segment?

You are developing a Windows Store app.
The app must allow salespeople to choose customer contacts by using a ContactPicker class. It also must continue to be responsive while the ContactPicker class is displayed.
You need to ensure that the ContactPicker class is displayed to meet the requirements. How should you complete the code segment? (To answer, drag the appropriate term to the correct location or locations in the answer area. Each term 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.)
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How should you complete the code segment?

You are developing a Windows Store app. The GetData() method returns an integer.
You need to run the method as an asynchronous task.
How should you complete the code segment? (To answer, drag the appropriate expression to the correct position in the answer area. Each expression 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.)
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Which three actions should you perform in sequence?

You are developing a Windows Store app.
The app has numerous features that should be enabled or disabled based on the license information of the app.
You need to test the trial functionality by using the CurrentAppSimulator class.
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,)
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How should you configure the debug options?

You are developing a Windows Store app.
You are testing a remote mobile device named Contoso1.
You are testing only C# code in the solution.
You need to configure the Visual Studio debug options.
How should you configure the debug options? (To answer, drag the appropriate options to the correct location or locations in the answer area. Each option 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.)
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Which three actions should you perform in sequence?

You are developing a Windows Store app.
You need to create and run unit tests for the app.
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,)
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How should you complete the code segment?

You are developing a Windows Store app that allows users to capture videos and upload them to a social networking website.
You need to ensure that the app saves the captured video in MP4 format to the user’s videos library.
How should you complete the code segment? (To answer, drag the appropriate option to the correct location or locations in the answer area. Each option 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.)
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What should you include in the recommendation?

You are developing a Windows Store app that will download files from a remote server.
You need to recommend a solution to display a custom message if a network error occurs during a file download.
What should you include in the recommendation?
A. Wrap the asynchronous call in a try/catch block
B. Wrap the Window.Current.ActivateQ call in a try/catch block.
C. Register an event handler for the Application.UnhandledException event and call Application.Current.Exit.
D. Register an event handler for the Application.UnhandledException event and set e.Handled to true.


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Which control should you recommend?

You are developing a Windows Store app to record videos.
The app will provide users with the ability to change the image rotation, ratio, and video format.
You need to recommend which control to use for the app.
Which control should you recommend?
A. CameraCaptureUI
B. MediaCapture
C. SystemMediaTransportControls
D. MediaElement


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Which code segments should you use?

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.)

A. Option A
B. Option B
C. Option C
D. Option D


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What should you do?

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.)
A. Create a BackgroundUploader object and call the CreateUploadAsync() method to transfer the video file.
B. Enable the Internet (Client) capability in the package.appxmanifest file.
C. Enable the Internet (Server) capability in the package.appxmanifest file.
D. Create an HttpClient object and use the PutAsync() method to perform the transfer the video file asynchronously.
E. Create a BackgroundTransfer object and call the UploadAsync() method to transfer the video file.
F. Use the XHR class to initiate and run a web upload of a video file.


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Which three capabilities should you identify?

You are developing a Windows Store app that will provide users with the ability to create photos by using the hardware on a device.
Once the users create the photos, they can save the photos to the Pictures library.
If the users sign in by using a Microsoft account, they can grant other users remote access to the photos.
You need to identify which capabilities must be enabled for the app.
Which three capabilities should you identify? (Each correct answer presents part of the solution. Choose three.)
A. Webca
B. Pictures Library
C. Proximity
D. Internet (Client & Server)
E. Private Networks (Client & Server)
F. Enterprise Authentication


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What should you use?

You are developing a Windows Store app.
You need to ensure that the app can run only if the device is located in a specified location. If the device is moved from the location while the app is running, the app must be disabled.
What should you use? (More than one answer choice may achieve the goal. Select the BEST answer.)
A. the Networklnfomation.GetlnternetConnectionProfileQ method in the OnLaunched event handler
B. the GeoLocator.PositionChanged event handler
C. the GeofenceMonitor.GeofenceStateChanged event handler
D. the GeoLocator.GetGeopositionAsync() method in the OnLaunched event handler


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Which code segment should you use?

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 A
B. Option B
C. Option C
D. Option D


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What should you use?

You develop several Windows Store apps.
You need to use a control to display multiple elements.
The control has the following requirements:
Each item must be displayed as a button.
When a user clicks a button, the button must show that it was clicked.
Developers must be able to bind the control to a collection.
Developers must be able to handle an event when items are selected.
Developers must be able to specify whether the control provides users with the ability to select either one or multiple items.
What should you use? (More than one answer choice may achieve the goal. Select the BEST answer.)
A. A custom control that inherits from ListBox
B. A control template for the ComboBox control
C. A custom control that inherits from ComboBox
D. A control template for the ListBox control


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Which transition class should you use?

You are developing a Windows Store app.
You must create a custom soft input panel (SIP).
You need to animate the input panel with Show/Hide animations.
Which transition class should you use?
A. EntranceThemeTransition
B. EdgeUIThemeTransition
C. PaneThemeTransition
D. AddDeleteThemeTransition


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Which code segment should you recommend?

You are evaluating the following code that is part of a method named SelectMove:

You need to recommend a replacement for the for each loop to reduce the amount of time that it takes for SelectMove to execute.
Which code segment should you recommend?
A. Option A
B. Option B
C. Option C
D. Option D


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What should you do?

You are developing a Windows Store app that integrates with a stock trading website on the Internet.
The app must meet the following requirements:
The app must allow the user to view stock details.
The app must be able to get the updated stock information every five minutes from an Internet web service.
You need to configure the app to meet the requirements.
What should you do?
A. Create a BackgroundDownloader object and then call the CreateDownloadAsync() method to specify the frequency of the stock information update.
B. Add a Background Tasks declaration in the package.appxmanifest file and select the timer task type to collect stock information periodically.
C. Enable the Home or Work Networking capability in the package.appxmanifest file.
D. Enable the Lock Screen Notifications capability in the package.appxmanifest file.


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Which code segment should you use?

You are developing a Windows Store app. The app will receive push notifications from the Windows Push Notification Services (WNS).
You store the secret for authentication in a variable named encodedSecret. You store the security ID for authentication in a variable named encdedSid.
Both variables contain string data encoded for use in a Uniform Resource Identifier (URI).
You create a WebClient object named client.
You need to use the client object to retrieve an OAuth token as a string and to store the string in a variable named response.
Which code segment should you use?

A. Option A
B. Option B
C. Option C
D. Option D


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Which class should you use?

You are developing a Windows Store app that uses a webcam. You need to be notified if new webcams are connected to the system.
Which class should you use?
A. DevicelnformationWatcher
B. EnclosureLocation
C. DeviceWatcher
D. DevicelnformationCollection


Answer Clike
Which two types of data should you identify?

You are designing a Windows Store app to manage image and video files.
The app must meet the following requirements:
Video files must be stored locally on each device.
The app must use local storage for data caching.
User settings must be shared across multiple devices.
Image files must be available across multiple devices.
Metadata for images must be stored in a central database.
Image files, video files, and their associated metadata must load as quickly as possible.
You need to identify which data must be cached based on the app requirements. Which two types of data should you identify? (Each correct answer presents part of the solution. Choose two.)
A. User settings
B. Video files
C. Image files
D. Metadata


Answer Clike
What should you do?

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. Use the ThreadPoolTimer.CreatePeriodicTimer() static method to periodically call the web service to get new movie reviews for display.
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. Implement the IBackgroundTask interface to make the service call and then register a MaintenanceTrigger object to run the background task every hour.


Answer Clike
When the app is restarted, friend information should be automatically reloaded.

You are developing a Windows store game that allows players to save friend information for other players they meet in the game.
The app must meet the following requirements:
The app must save all friend information when the app suspends or terminates.
When the app is restarted, friend information should be automatically reloaded.
Players should be able to view friend information on other devices with the app installed, provided that the user supplies the same credentials on both machines.
You need to ensure that the app meets the requirements.
How should the app save the friend information?
A. by saving friend information to a temporary app store
B. by saving friend information to the roaming app store
C. by saving friend information to the local app store
D. by saving friend information in a memory-mapped file


Answer Clike
What should you do?

You are developing a Windows Store app for geocaching competitions that displays location- aware tips.
You need to capture device location events periodically to determine if a tip should be displayed.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)
A. Enable the Proximity capability in the Package.appxmanifest file.
B. Create an instance of the Windows.Devices.Sensors.OrientationSensor class. Use the Reportlnterval property to set the interval for getting the position data. Then attach an event handler to the PositionChanged event to capture position and decide if tips should be shown.
C. Create an instance of the Windows.Devices.Sensors.Gps class. Use the Reportlnterval property to set the interval for getting the position data. Then attach an event handler to the PositionChanged event to capture position and decide if tips should be shown.
D. Enable the Location capability in the Package.appxmanifest file.
E. Create an instance of the Windows.Devices.Geolocation.Geolocator class, Use the Reportlnterval property to set the interval for getting the position data. Then attach an event handler to the PositionChanged event to capture position and decideif tips should be shown.


Answer Clike
How should the app save the work in progress?

You are developing a Windows Store app that allows users to compose musical beats and rhythms.
The app must meet the following requirements:
The app must save the work in progress in case the app suspends or terminates before users save their work.
If the app closes before the work is complete, work in progress should be automatically reloaded so that users can continue seamlessly from where they left off.
Users should be able to resume work on another device with the app installed, provided that the user supplies the same credentials on both machines.
You need to ensure that the app meets the requirements.
How should the app save the work in progress?
A. by storing it in a memory-mapped file
B. by serializing it to a temporary app store
C. by serializing it to the roaming app store
D. by serializing it to the local app store


Answer Clike
Which app data storage mechanism should you use?

You are designing a Windows Store app that creates large amounts of temporary binary data each time it is run.
You need to ensure that data is persisted while the app is running but deleted when the app is closed.
Which app data storage mechanism should you use? (Each correct answer presents a complete solution. Choose all that apply.)
A. a temporary app data store
B. the app files of the local app data store
C. the app settings of the local app data store
D. a roaming app data store


Answer Clike
Where should you store the files?

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. removable devices
B. app data locations
C. user’s download folder
D. documents library
E. app install directory


Answer Clike
Which push notification mechanism should you use?

You are developing a Windows Store app that displays notifications on the lock screen.
The app must execute a background task when the notification arrives. In addition, the app must receive push notifications from Windows Push
Notification Service (WNS).
You need to use a push notification mechanism that meets the requirements.
Which push notification mechanism should you use?
A. Toast notification
B. Raw notification
C. Tile update
D. Badge update


Answer Clike
Which event should you handle to construct the print preview of the entire document?

You are developing a Windows Store app that prints documents. An object named printManager manages the print flow. An object named printDocument sends output to the printer.
You need to ensure that the app allows the user to preview the print layout of the entire document.
Which event should you handle to construct the print preview of the entire document?
A. printDocument.GetPreviewPage
B. printManager.PrintTaskRequested
C. printDocument.Paginate
D. printDocument.AddPages


Answer Clike
Which authorization standard should you use?

You are developing a Windows Store app that uses the Windows Push Notification Service (WNS) to send toast notifications.
You need to ensure that the requests that the app sends to the WNS follow the authorization standard that WNS supports.
Which authorization standard should you use?
A. ADFS
B. ws-Trust
C. openID
D. OAuth 2.0


Answer Clike
What should you do?

You are developing a Windows Store app that requires access to a user’s location.
A user denies the app access to the location service.
You need to handle the error that results when the app calls the GetGeopositionAsync() method.
What should you do?
A. Modify the app manifest to enable Location services and query the user.
B. Display an interface for the user to enable location and rerun the method.
C. Catch the exception using a try-catch statement.
D. Modify the app.config file to enable Location services and query the user.
E. Catch the exception using a try-catch async statement.


Answer Clike
Which class should you use?

You are developing a Windows Store app that uses a webcam.
You need to be notified if new webcams are connected to the system.
Which class should you use?
A. ManagementObjectFinder
B. FileSystemWatcher
C. DeviceWatcher
D. ServiceDevice


Answer Clike
Which code segment should you use?

You are developing a Windows Store app that invokes asynchronous methods to keep the app responsive to user actions.
The app must handle exceptions gracefully, so they are never displayed to the user.
Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D


Answer Clike
Which Visual Studio project configuration options should you use?

You are preparing a Windows Store game update for deployment. Game performance must be analyzed by using a profiling tool.
You need to ensure that you collect the most accurate performance data for the analysis.
Which Visual Studio project configuration options should you use? (Each correct answer presents part of the solution. Choose all that apply.)
A. Choose the Simulator deployment target for the game.
B. Use the Release build of the game.
C. Use the Debug build of the game.
D. Choose the Local Machine deployment target for the game.


Answer Clike
What should you do?

You are preparing to deploy a Windows Store app to the marketplace.
You need to ensure that unhandled errors and exceptions are never displayed to users.
What should you do?
A. In the app object, wrap the call to the Window.Current.Activate() method in a try-catch statement to handle any exceptions that occur.
B. Open the Exceptions window in Visual Studio and clear the check box for unhandled exceptions for the Common Language Runtime.
C. Write a handler for the UnhandledException event and set the Handled property on the UnhandledExceptionEventArgs object to true.
D. Write a handler for the UnhandledException event and set the CancelBubble property on the UnhandledExceptionEventArgs object to true.


Answer Clike
Which elements should you include in Target 1, Target 2 and Target 3 to complete the code?

You add a MediaElement named VideoTour and a button named playToButton to the properties details page.
You need to ensure that video tours can be played to other devices.
You have the following code: (Line numbers are included for reference only.)

Which elements should you include in Target 1, Target 2 and Target 3 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.)
Select and Place:



Answer Clike
Which code snippets should you insert in Target 1 and Target 2 to complete the code?

You need to handle the Click event of the Print button.
You have the following code: (Line numbers are included for reference only.)

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

Hot Area:



Answer Clike
You need to recommend which code must be implemented to meet the requirements for resuming the video tour downloads.

You need to recommend which code must be implemented to meet the requirements for resuming the video tour downloads.
Develop the solution by selecting and ordering the required code snippets. You may not need all of the code snippets.
Select and Place:



Answer Clike
What command should you run?

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.)

Hot Area:



Answer Clike
What code should you add to line 04?

You create the following method in a Utility class: (Line numbers are included for reference only.)

You need to complete the code to meet the requirement for displaying the last 10 viewed pictures.
What code should you add to line 04? (More than one answer choice may achieve the goal. Select the BEST answer.)
A. StorageApplicationPermissions.FutureAccessList.Add(file, file.Name);
B. StorageApplicationPermissions.MostlyRecentlyUsedl_ist.Add(file, file.Name);
C. StorageItemMostRecentlyUsedList.Entries.Add(file, file.Name);
D. StorageItemAccessList.Entries.Add(file, file.Name);


Answer Clike
Which code segment should you add to line 04?

You need to configure Package.appxmanifest to support the download of pictures. The solution must meet the general requirements.
Which code segment should you add to line 04? (More than one answer choice may achieve the goal. Select the BEST answer.)
A. <Task Type="timer" />
B. <Task Type="SystemEvent" />
C. <Task Type="deviceUse" />
D. <Task Type="pushNotification" />


Answer Clike
What code should you add to the Click event of btnDownloadTours?

You add a button named btnDownloadTours to the search results page.
You create a method named DownloadTour to download video tours synchronously. DownloadTour receives a single parameter of type integer, representing the ID of a video tour. As customers add listings to their favorites list, the ID of the video tour is added to a collection named selectedTours.
You need to implement the code required to download the video tour based on the video tour requirements.
What code should you add to the Click event of btnDownloadTours? (More than one answer choice may achieve the goal. Select the BEST answer.)

A. Option A
B. Option B
C. Option C
D. Option D


Answer Clike
What should you do first?

You create a mobile service to send push notifications to the app.
You configure the service and the app to work with Windows Push Notification Services (WNS).
You add the following code to the App.xaml.cs file:

You need to ensure that the app can access the push notification channel.
What should you do first?
A. Add a call to GetChannel in the OnLaunched event handler of the app.
B. Set the Uri property of pushChannel in the OnActivated event handler of the app.
C. Set the Uri property of pushChannel in the OnLaunched event handler of the app.
D. Add a call to GetChannel in the OnActivated event handler of the app.


Answer Clike
Which code snippets should you include in Target 1 and Target 2 to complete the code?

You need to ascertain whether the app trial period has expired.
You have the following code that you plan to insert at line AX22 of App.xaml.cs:

Which code snippets should you include in Target 1 and Target 2 to complete the code? (To answer, drag the appropriate code snippets to the correct targets in the answer area. Each code snippet 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.)
Select and Place:



Answer Clike
Which caching technique should you use in each scenario?

You need to meet the app caching requirements.
Which caching technique should you use in each scenario? (To answer, drag the appropriate technique to the correct scenario. Each technique 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.)
Select and Place:



Answer Clike
What should you include in the recommendation?

You need to recommend a solution to comply with the language requirements of the app.
What should you include in the recommendation? (Each correct answer presents part of the solution. Choose three.)
A. Use the ResourceLoader class to retrieve localized strings from the code.
B. In a subfolder of the app, create three .config files.
C. Use the ResourceManager class to retrieve localized strings from the code.
D. Use the x:Uid property for all of the controls that require localization.
E. Use the x:id property for all of the controls that require localization.
F. In a subfolder of the app, create three .resw files.


Answer Clike
Which capabilities should you enable?

You need to enable the capabilities that allow communication according to the technical requirements.
Which capabilities should you enable? (Each correct answer presents part of the solution. Choose all that apply.)
A. Shared User Certificates
B. SSL Certificates
C. Internet (Client)
D. Default Windows Credentials


Answer Clike
Which code segment should you use?

You need to handle the following exception and meet the error handling requirements.

Which code segment should you use?

A. Option A
B. Option B
C. Option C
D. Option D


Answer Clike
Which three actions should you perform in sequence?

You need to add a Print button to the app.
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.)
Select and Place:



Answer Clike
Which four lines of code should you use to create the Run() method on line SP13?

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.)
Select and Place:



Answer Clike
How should you complete the code segment that will replace lines MP03 through MP11?

You need to allow users to capture video instead of photos.
How should you complete the code segment that will replace lines MP03 through MP11? (To answer, drag the appropriate lines of code to the correct location or 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.)
Select and Place:



Answer Clike
Which protection descriptor should you use for the DataProtectionProvider object?

You need to protect the metadata for the secure documents.
Which protection descriptor should you use for the DataProtectionProvider object?
A. SID
B. WEBCREDENTIALS=userrpassword
C. LOCAL=user
D. USER=current


Answer Clike
Which code segment should you use?

Exceptions occur when the WriteAuditAsync() method of the Auditor object is run.
The UI must remain responsive to user actions.
You need to handle the exceptions.
Which code segment should you use?

A. Option A
B. Option B
C. Option C
D. Option D


Answer Clike
Which statement sets the appropriate task entry point at line PG19?

You need to register the SocialPoller background task in the constructor of the Page1 class.
Which statement sets the appropriate task entry point at line PG19?
A. builder.TaskEntryPoint = "Sreader.Background.SocialPoller";
B. builder.BackgroundTableStart = "SocialPoller.Ereader.Background";
C. builder.TaskStart = "Pagel.SocialPoller ";
D. builder.TaskEntryPoint = "Sreader.Pagel";


Answer Clike
Which lines of code should you use for the production app?

You need to deactivate features of the app when it runs as a trial.
Which lines of code should you use for the production app? (Each correct answer presents part of the solution. Choose all that apply.)
A. licenseInforination.LicenseChanged += new LicenseChangedEventHandler (modifyLicense)
B. license.LicenseChanged += new LicenseChangedEventHandler(implementLicense)
C. licenseInformation = CurrentApp.GetCurrentLicense()
D. licenseInforrcation = CurrentApp.Licenselnformation
E. license = CurrentApp.GetCurrentLicense()
F. licenselnformation.LicenseChanged += new LicenseChangedEventHandler (implementLicense)


Answer Clike
Which lines of code should you use at line PG33?

You need to set the default print options according to the requirements.
Which lines of code should you use at line PG33? (Each correct answer presents part of the solution. Choose all that apply.)
A. printTask.Options.Orientation = a PrintOrientation.Portrait;
B. printTask.Options.Orientation = Print.Default = Portrait;
C. printTask.Options.MediaSize = Print.Default = MediaSize.Legal;
D. printTask.Options.ColorMode = Print.ColorDefault = Grayscale;
E. printTask.Options.ColorMode = PrintColorMode. Grayscale;
F. printTask.Options.MediaSize = PrintMediaSize.Letter;


Answer Clike
What should you do?

You need to update the DoWork() method of the background task to meet the requirements.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)
A. Get the IsCancellationRequested property from the CancellationToken object and return a TaskCompletionSource object.
B. Access the Progress object and report the task’s progress to the caller.
C. Update the DoWork() method to receive a Progress object.
D. Add the CancellationToken object to the client.GetAsync() method.
E. Confirm that the IsCancellationRequested property of the CancellationToken object is true and exit the task.
F. Update the DoWork() method to receive a CancellationToken object in the arguments of the method.


Answer Clike
Which interface should you use for the return type of the method?

You need to modify the code at line CE38 to meet the requirements.
Which interface should you use for the return type of the method?
A. IMap
B. IVector
C. IVectorView
D. IList


Answer Clike
What should you do?

You need to reference the reusable WinMD project.
What should you do?

A. Option A
B. Option B
C. Option C
D. Option D


Answer Clike
Which line of code should you insert at line CA19?

You need to create a SupportsBacklightCompensation property to accommodate morning and evening photography.
Which line of code should you insert at line CA19?
A. return (video.BacklightCompensation.Capabilities.Min == 0);
B. return video.BacklightCompensation.Capabilities.Supported;
C. return (media.BacklightCompensation.Capabilities.Min == 0);
D. return media.BacklightCompensation.Capabilities.Supported;


Answer Clike
Which interface should you use for the return type of the method?

You need to modify the GetWeatherData() method in the WinMD component at line CE38.
Which interface should you use for the return type of the method?
A. IVectorView
B. IVector
C. IList
D. IMap


Answer Clike
What should you do?

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


Answer Clike
What should you do?

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


Answer Clike
Which line of code should you insert at line CA10?

You need to set the WhiteBalance property for the app.
Which line of code should you insert at line CA10?

A. Option A
B. Option B
C. Option C
D. Option D


Answer Clike
Which code segment should you use in MainPage.xaml.es?

You need to support remote devices by using the GoosePlayTo class. Which code segment should you use in MainPage.xaml.es?

A. Option A
B. Option B
C. Option C
D. Option D


Answer Clike
Which code segment should you insert at line CA28?

You need to ascertain whether a camera can support zooming.
Which code segment should you insert at line CA28?

A. Option A
B. Option B
C. Option C
D. Option D


Answer Clike
What should you do?

The app metadata logic must be available to other Windows Store apps.
You need to register the reusable WinMD component.
What should you do?

A. Option A
B. Option B
C. Option C
D. Option D


Answer Clike
Which type should you use at line CE07?

You need to modify the existing GetCurrentEnvironmentAsync() method in the Environment WinMD component to accept parameters.
Which type should you use at line CE07?
A. dynamic
B. List<string>
C. Task<EnvironmentalStatus>
D. IList<string>


Answer Clike
Which code segment should you add to the LoadSensors() method of the Environment class?

The users need the ambient light readings at the time a goose sighting is made.
You need to set up the light-sensing device.
Which code segment should you add to the LoadSensors() method of the Environment class?

A. Option A
B. Option B
C. Option C
D. Option D


Answer Clike
Which line of code should you insert at line PT30?

You need to set the PlayTo source in the LoadFile() method. Which line of code should you insert at line PT30?
A. element.SetSource(videoFile, contentType);
B. playToManager.SetSource(stream, contentType);
C. dispatcher.SetSource(stream, contentType);
D. element.SetSource(stream, contentType);


Answer Clike
Which line of code should you insert at line CE43?

You need to ascertain whether the device that the app is running on has a compass.
Which line of code should you insert at line CE43?
A. while(Windows.Devices.Sensors == Compass)
B. if (Compass.GetDefault() != null)
C. if (Compass.GetDefault() == Compass.FirstOrDefault)
D. if(Compass.GetCurrentReading() != null)


Answer Clike
Which task type property should you specify?

You need to configure the app manifest to support the file download requirements.
Which task type property should you specify? (To answer, select the appropriate property in the answer area.)
Point and Shoot:



Answer Clike
How should you configure the app?

You need to meet the business requirements about downloading and uploading.
How should you configure the app? (To answer, select the appropriate options from each drop- down list in the answer area.)
Hot Area:



Answer Clike
What should you do?

You need to register the reusable WinMD component.
What should you do?

A. Option A
B. Option B
C. Option C
D. Option D


Answer Clike
Which controls should you create?

You need to implement the behavior requirements for the photo viewer.
Which controls should you create?
A. Create two SemanticZoom controls and one ListView control.
B. Create one SemanticZoom control and one ListView control.
C. Create one ScrollViewer control, one SemanticZoom control, and one GridView control.
D. Create two GridView controls and one SemanticZoom control.


Answer Clike
How should you configure the app?

You need to meet the business requirements about downloading and uploading.
How should you configure the app? (To answer, select the appropriate options from each drop- down list in the answer area.)
Hot Area:



Answer Clike
How should you complete the code segment?

You need to implement the photo viewer page to meet the business requirements.
How should you complete the code segment? (To answer, drag the appropriate [source or sources] to the correct location or locations in the answer area.)
Select and Place:



Answer Clike
Which code segment should you use in the VideoProcessor.es class?

You need to implement the business requirements for providing information about file uploads and downloads.
Which code segment should you use in the VideoProcessor.es class?

A. Option A
B. Option B
C. Option C
D. Option D


Answer Clike
What should you do?

You need to implement the requirements for streaming media.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)
A. Enable access to the Videos Library.
B. Ensure that the app stays in the foreground while media is being streamed.
C. Enable access to the Pictures Library.
D. Register for the SourceRequested event.
E. Enable access to the Music Library.
F. Register for the PlayRequested event.


Answer Clike
Which code segment should you insert at line MP07?

You need to implement the requirements for the behavior of the main page. Which code segment should you insert at line MP07?

A. Option A
B. Option B
C. Option C
D. Option D


Answer Clike
What should you do?

You need to ensure that the VideoProcessor component can be used by the Windows Store app.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)
A. Add the following attribute to line IP19.
[Windows.Foundation.Metadata.DefaultOverload()]
B. Replace line IP01 with the following line of code.
static class VideoProcessor
C. Replace line IP09 with the following line of code.
public VideoProcessor(string videoName, int ID)
D. Add the following attribute to line IP14.
[Windows.Foundation.Metadata.DefaultOverload()]
E. Replace line IP01 with the following line of code. public sealed class VideoProcessor


Answer Clike
Which code segment should you use?

You need to implement a custom control to display thumbnail images of video clips.
Which code segment should you use?

A. Option A
B. Option B
C. Option C
D. Option D


Answer Clike
What should you do?

You need to implement the requirements for the playback of media.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)
A. Add the following line of code at line MC02.
private void ShowPlayTo()
{
Windows.Media.PlayTo.PlayToManager.ShowPlayToUI();
}
B. Add the following line of code at line MC06.
ptMgr.DefauitSourceSelection = false;
C. Add the following line of code at line MC10.
ptMgr.PlayRequested += SourceRequestHandler;
D. Add the following line of code at line MC05.
ptMgr.SourceRequested += SourceRequestHandler;


Answer Clike
Which code segment should you use in the MainPage.xaml file?

You need to implement the business requirement to display video clips.
Which code segment should you use in the MainPage.xaml file?

A. Option A
B. Option B
C. Option C
D. Option D


Answer Clike
Which code segment should you add to App.xaml.cs?

You need to implement downloading of media files and other content.
Which code segment should you add to App.xaml.cs?

A. Option A
B. Option B
C. Option C
D. Option D


Answer Clike
What should you do?

You need to ensure that the app uploads media and files to the media manager service.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)

A. Option A
B. Option B
C. Option C
D. Option D
E. Option E


Answer Clike