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Advanced Windows Store App Development using C#

Question No: 101 DRAG DROP – (Topic 5)

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.)

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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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Answer:

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Question No: 102 – (Topic 5)

You are developing a Windows Store app. The app has the following requirements:

->Files must be stored on a device#39;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.)

  1. Removable devices

  2. App data locations

  3. User#39;s download folder

  4. Documents library

  5. App install directory

Answer: A,E

Question No: 103 HOTSPOT – (Topic 5)

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#39;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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Answer:

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Question No: 104 – (Topic 5)

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.)

  1. the Networklnfomation.GetlnternetConnectionProfileQ method in the OnLaunched event handler

  2. the GeoLocator.PositionChanged event handler

  3. the GeofenceMonitor.GeofenceStateChanged event handler

  4. the GeoLocator.GetGeopositionAsync() method in the OnLaunched event handler

Answer: C

Question No: 105 – (Topic 5)

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?

  1. Toast notification

  2. Raw notification

  3. Tile update

  4. Badge update

Answer: B

Question No: 106 – (Topic 5)

You are developing a Windows Store app that requires access to a user#39;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?

  1. Modify the app manifest to enable Location services and query the user.

  2. Display an interface for the user to enable location and rerun the method.

  3. Catch the exception using a try-catch statement.

  4. Modify the app.config file to enable Location services and query the user.

  5. Catch the exception using a try-catch async statement.

Answer: C

Question No: 107 DRAG DROP – (Topic 5)

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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Answer:

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Question No: 108 DRAG DROP – (Topic 5)

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.

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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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Answer:

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Question No: 109 DRAG DROP – (Topic 5)

You are developing a Windows Store app. The app will download files from the Internet.

You already have a method that downloads files. The method has the following signature:

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Which code segments should you insert at lines 01 and 04? (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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Answer:

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Question No: 110 DRAG DROP – (Topic 5)

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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Answer:

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