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QUESTION 51
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: A

QUESTION 52
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: C

QUESTION 53
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: D
Explanation:
http://msdn.microsoft.com/en-us/library/windows/apps/br206408.aspx

QUESTION 54
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: D

QUESTION 55
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: B

QUESTION 56
Drag and Drop Question
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.)

Answer:

QUESTION 57
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 Task
    CompletionSource 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: DEF

QUESTION 58
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: BC

QUESTION 59
Drag and Drop Question
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.)

Answer:

QUESTION 60
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: A

QUESTION 61
Drag and Drop Question
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.)

Answer:

QUESTION 62
You need to configure the print options that a user can change.
Which lines of code should you use at line PG34? (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
F.    Option F

Answer: AC

QUESTION 63
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: C

QUESTION 64
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: A

QUESTION 65
Drag and Drop Question
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.)

Answer:

QUESTION 66
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: A

QUESTION 67
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: BD

QUESTION 68
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: AE

QUESTION 69
Drag and Drop Question
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.)

Answer:

QUESTION 70
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: ADF

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