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QUESTION 91

HOTSPOT

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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Correct Answer:

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QUESTION 92

DRAG DROP

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 Provider2 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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Correct Answer:

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QUESTION 93

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:

 

clip_image010The app must save all friend information when the app suspends or terminates.

clip_image010[1]When the app is restarted, friend information should be automatically reloaded.

clip_image010[2]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

 

Correct Answer: B

 

 

QUESTION 94

DRAG DROP

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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Correct Answer:

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QUESTION 95

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.

 

Correct Answer: DE

 

 

QUESTION 96

HOTSPOT

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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Correct Answer:

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QUESTION 97

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

 

Correct Answer: C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

QUESTION 98

DRAG DROP

You are developing a Windows Store app that downloads large files from the Internet by using background tasks.

 

The app includes the following:

 

clip_image010[3]Tasklnstance is an instance of the IBackgroundTask interface that provides access to a background task instance.

clip_image010[4]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.

 

clip_image020

 

Correct Answer:

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QUESTION 99

HOTSPOT

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

 

clip_image010[5]It must allow users to choose contacts by using a ContactPicker class.

clip_image010[6]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.

 

clip_image024

 

Correct Answer:

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QUESTION 100

DRAG DROP

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.

 

clip_image028

 

Correct Answer:

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