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70-490 Exam Questions - Online Test


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Q1. - (Topic 7) 

You are developing a newsreader app that provides users with daily aggregated articles from popular news sites. 

You must allow users to share the URI of the articles. 

The app must allow at least one of the following ways to share the URI: 

. With another Windows Store app 

. With the user's default web browser 

You need to implement the sharing functionality. 

Which property of the StandardDataFormats class should you use? 

A. Rtf 

B. WebLink 

C. Html 

D. ContentSourceApplication Link 

Answer:

Q2. - (Topic 7) 

You are developing a Windows Store app by using Microsoft Visual Studio. 

The app must use a flat navigation pattern. 

You need to start the app development from a built-in Visual Studio project template. 

Which project template should you use? 

A. Split App 

B. Blank App 

C. Hub App 

D. Grid App 

Answer:

Q3. DRAG DROP - (Topic 7) 

You are developing a Windows Store app that streams photos to and from any Windows-compliant device on the same network. 

You need to configure the Play To receiver. 

How should you complete the relevant code? To answer, drag the appropriate code segments to the correct targets. 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. 

Answer:  

Q4. - (Topic 7) 

You are developing a Windows Store app by using JavaScript. 

You need to ensure that the user can capture a photograph with the built-in camera and then process the resulting file. 

Which code segment should you use? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer:

Q5. - (Topic 7) 

You develop a Windows Store app that allows users to modify images by using filters and image-processing algorithms. 

The app must meet the following requirements: 

. Use a web worker to initiate the image-processing algorithms on a separate thread. . Clean up the web worker after processing the algorithms. 

You need to ensure that the web worker releases memory after processing the algorithms. What should you do? 

A. From the calling page, call the closet) command. 

B. From the calling page, call the postMessage() command with the terminate parameter. 

C. From the web worker, call the GC.Collect method. 

D. From the web worker, call the close() command. 

Answer:

58. HOTSPOT - (Topic 7) 

The following image depicts three apps. App1 and App3 have been launched by App2. 

Select the correct answer from each list based on the information presented in the image. Each correct selection is worth one point. 

Q6. - (Topic 7) 

You are developing a Windows Store app. A page in the app contains the following HTML code: 

The app must style a container element and two child elements to resemble the following image. 

The grid layout must meet the following requirements: 

. The Top section must be half the width of the Bottom section. . The solution must retain the proportions of the child sections in the event that the dimensions of any of the grid sections change. 

You need to ensure that the proportions of the sections of the image are retained. 

Which CSS segment should you add to your style sheet? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer:

Explanation: Grid Layout (Windows) 

Q7. - (Topic 4) 

You need to implement the getStoredCredentialsFull method. Which code segment should you insert at line CM13? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer:

Explanation: PasswordVault class (Windows) 

Q8. - (Topic 3) 

You need to ensure that inspectors can manage tasks that are assigned to them. Which code segment should you insert at line BT22? 

A. BackgroundTask.unregisterBackgroundTasks(e.BackgroundTaskName); 

B. BackgroundTask.unregisterBackgroundTasks(sender.BackgroundTaskName); 

C. BackgroundTask.unregisterBackgroundTasks(BackgroundTask.TaskName); 

D. BackgroundTask.unregisterBackgroundTasks(BackgroundTask.BackgroundTaskName); 

Answer:

Q9. - (Topic 7) 

You develop a Windows Store app. 

You need to ensure that the app will pass certification and successfully run on Windows RT devices. 

What is the best approach to achieve the goal? More than one answer choice may achieve the goal. Select the BEST answer. 

A. Test the app on an x86 development device in emulated mode by using Windows App Certification Kit for Windows RT. 

B. Test the app on a Windows RT device by using the Windows App Certification Kit for Windows RT. 

C. Register the app in the Windows Store and run the Application Verifier for Windows on the uploaded app. 

D. Test the app on an x86 development device by using the Windows App Certification Kit. 

Answer: