70-491 Guide

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  • Microsoft
  • Exam Number/Code 70-491
  • Product Name Recertification for MCSD: Windows Store Apps using C#
  • Questions and Answers
  • 91 Q&As
  • Last Updated
  • Nov 20,2017
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The Secret of 70-491 training

Exam Code: 70-491 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: Recertification for MCSD: Windows Store Apps using C#
Certification Provider: Microsoft
Free Today! Guaranteed Training- Pass 70-491 Exam.

Q31. HOTSPOT - (Topic 1) 

You need to write code to comply with the search requirements of the item detail page. 

You have the following code: 

Which code snippets should you insert in Target 1, Target 2, Target 3, and Target 4 to complete the code? (To answer, select the correct code snippet from each drop-down list in the answer area.) 

Answer: 


Q32. DRAG DROP - (Topic 9) 

You are developing a Windows Store game. The game allows for interactive online play between users. 

The game authenticates users by using the credentials of a third-party site that provides OAuth2 authentication. 

You need to implement authentication that uses an implicit grant authorization. 

How should you complete the relevant code? (To answer, drag the appropriate code segments to the correct locations in the answer area. 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: 


Q33. - (Topic 6) 

You need to create a custom template for a Listview control that will be located on a page that has the NewsSource object bound to the DataContext property. 

Which code segment should you use? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer:


Q34. DRAG DROP - (Topic 9) 

You are developing your first Windows Store app and submitting it to the Windows Store. 

The app uses a cloud server to send notifications by using Windows Push Notification 

Service (WNS). 

You need to authenticate the cloud server with WNS. 

Which five 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: 


Q35. DRAG DROP - (Topic 9) 

You are developing an augmented reality app. 

You need to retrieve the direction to which the device points. 

You have the following code: 

Which code snippets should you include in Target 1, Target 2 and Target 3 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: 


Q36. DRAG DROP - (Topic 9) 

You are developing a Windows Store app. 

The app has the following accessibility requirements: . The automation name of each text box must be the same as the text box caption. . Each Label element must be associated with its corresponding text box. You need to create an interface that meets the requirements. 

You have the following code: 

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: 


Q37. HOTSPOT - (Topic 9) 

You are developing a Windows Store app. 

You define an app bar named BottomAppBar. 

You need to ensure that you can open the app bar programmatically. 

You have the following code: 

Which code snippets should you insert in Target 1 and Target 2 to complete the code? (To answer, select the correct code snippet from each drop-down list in the answer area.) 

Answer: 


Q38. - (Topic 6) 

You need to implement storage for the user preferences. 

Which storage solutions can you use to meet the specification for the app? (Each correct answer presents a complete solution. Choose all that apply.) 

A. TheWindows.Storage.StorageItemType object 

B. TheWindows.Storage.ApplicationData.Current.RoamingSettings object 

C. Windows Azure 

D. The await Windows.Storage.ApplicationData.Current.LocalFolder method 

Answer: A,D 

Explanation: * Scenario: The app will run locally on the user's device. User preferences will be available locally. 


Q39. DRAG DROP - (Topic 9) 

You are developing a Windows Store app. 

You need to identify the effects of applying Microsoft design principles to the user interface. 

Which effects result from the design principles? (To answer, drag the appropriate effects to the correct locations in the answer area. Each effect 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: 


Q40. - (Topic 3) 

You place a breakpoint at line MP31 in the app. 

When you debug the app, the debugger continuously catches a 

System.UnauthorizedAccess exception. 

You need to resolve the exception. 

What should you do? 

A. Wrap lines CE43 through CE46 in a try-catch statement. 

B. At line MP10, change the code segment to the following line of code. 

read if(cameraUI != null) 

C. Move line CE09 to CE16. 

D. At line PA25, insert the following line of code. <Capability Name="picturesLibrary"/> 

Answer:

Explanation: 

http://msdn.microsoft.com/en-us/library/windows/apps/hh464936.aspx 


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