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[Free] Get all latest Microsoft 70-485 Actual Tests 61-70

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QUESTION 61

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?

 

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A.

Option A

B.

Option B

C.

Option C

D.

Option D

 

Correct Answer: A

 

 

QUESTION 62

DRAG DROP

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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Correct Answer:

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QUESTION 63

DRAG DROP

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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Correct Answer:

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QUESTION 64

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.

 

Correct Answer: BD

 

 

QUESTION 65

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.

 

Correct Answer: C

 

 

QUESTION 66

DRAG DROP

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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Correct Answer:

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QUESTION 67

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 68

You are developing a Windows Store app that allows users to compose musical beats and rhythms.

 

The app must meet the following requirements:

 

clip_image018The app must save the work in progress in case the app suspends or terminates before users save their work.

clip_image018[1]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.

clip_image018[2]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

 

Correct Answer: C

 

QUESTION 69

HOTSPOT

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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Correct Answer:

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QUESTION 70

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

 

Correct Answer: ABC

 

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