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Advanced Windows Store App Development using HTML5 and JavaScript

Question No: 21 – (Topic 2)

You need to find out whether the app is still in trial mode. Which property should you check in the app startup code?

  1. Windows.ApplicationModel.Store.CurrentApp.licenseInformation.isActive

  2. Windows.ApplicationModel.Store.CurrentApp.IicenseInformation.isTrial

  3. Windows.ApplicationModel.Store.CurrentApp.licenseInformation.expiration.late

  4. Windows.ApplicationModel.Store.CurrentApp.licenseInformation.productLicenses

Answer: C

Question No: 22 – (Topic 2)

You need to retrieve and register a DLNA-compatible device. Which code segment should you insert at line PL16?

  1. var player = Windows.Media=Devices.AudioDeviceController ( );

  2. var player = Windows.Media.Devices.DLNADeviceController ( );

  3. var player = Windows-Media,PlayTo.PlayToManager.getForCurrentView( ); player. addsventListener(quot;sourcerequestedquot;, sourceRequestHandler, false);

  4. var player = Windows.Media.PlayTo.PlayToManager.showPlayToUI ( ); player-addEventListener(quot;sourcerequestedquot;, sourceRequestHandler, false);

Answer: C

Question No: 23 – (Topic 2)

You need to handle the location-detection problem.

What should you do?

  1. Insert a try statement immediately after line LO05 and a catch block immediately before line LO09. Handle the exception in the catch block.

  2. Insert an else statement immediately before line LO09. In the else statement, display a notification that the device does not support location.

  3. At line LO08, change the positionchanged argument to statuschanged.

  4. At line LO06, change the Geolocator class to locator.

Answer: B

Question No: 24 – (Topic 2)

You need to turn off tracking.

Which code segment should you insert at line L032?

  1. location.removeEventListener(quot;statuschangedquot;, statusChanged);

  2. location.removeEventListener.all( ) ;

  3. location.endTracking ( ) ;

  4. location.removeEventListener(quot;positior.changedquot;, positionChanged);

Answer: D

Question No: 25 – (Topic 2)

You need to implement the audit log. What should you do?

  1. When the user moves the device, create a Windows Event Log entry.

  2. When the user moves the device, create a custom log file entry.

  3. When the user touches a button, create a Windows Event Log entry.

  4. When the user touches a button, create a custom log file entry.

Answer: D

Question No: 26 – (Topic 2)

You need to find out whether the user has purchased the app. Which code segment should you insert in the default.js file?

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: C

Question No: 27 – (Topic 2)

You need to implement the database polling.

Which code segment should you insert at line BG14?

  1. var trigger = new Windows.ApplicationModel.Background.TimeTrigger(1230, false) ;

  2. var trigger = new Windows.ApplicationModel.Background.TimeTrigger(15, false);

  3. var trigger = new Windows.ApplicationModel.Background.TimeTrigger (900, true);

  4. var trigger = new Windows.ApplicationModel.Background.TimeTrigger(20, true);

Answer: A

Question No: 28 – (Topic 2)

You need to implement the audit log.

Which action should the app perform when the user touches a button?

  1. Add a row to a database log table.

  2. Create a custom log file entry.

  3. Send the event to a remote web service.

  4. Create a Windows Application Log entry.

Answer: B

Question No: 29 – (Topic 2)

You need to enable the user to save coordinates as specified in the requirements. Which code segment should you insert at line L036?

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: A

Question No: 30 – (Topic 2)

You need to assign the audio stream to the controller declared at line PL20 according to the requirements.

Which code segment should you insert at line PL27?

  1. sr.stream = controller.stream;

  2. sr.setSource{controller.stream);

  3. sr.setSource(controller);

  4. sr.setController(controller);

Answer: C

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