Microsoft Essentials of Developing Windows Store Apps using C# (70-484) Free Practice Test
Question 1
You are developing a Windows Store app. The app consumes data from a popular social networking site. The requestUri variable represents the address of the social networking site.
The code contains an error.
You need to identify the cause of the error.
You have the following code. (Line numbers are included for reference only.)
Which line of code should you identify?
The code contains an error.
You need to identify the cause of the error.
You have the following code. (Line numbers are included for reference only.)
Which line of code should you identify?
Correct Answer: B
Question 2
You need to add code to the <Image> element to support marking items as found or not found.
Which code segment should you add to the <Image> element on the item detail page?
Which code segment should you add to the <Image> element on the item detail page?
Correct Answer: C
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Question 3
An object of type AccountViewModel contains properties named Name and Amount.
You are creating a user control that will allow you to view and edit information in the AccountViewModel object. All items must be properly bound to the control regardless of what page the control is applied to. The user control must display a two-column grid that is arranged as shown in the following table.
You need to create the grid and populate the first row of the grid.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)
You are creating a user control that will allow you to view and edit information in the AccountViewModel object. All items must be properly bound to the control regardless of what page the control is applied to. The user control must display a two-column grid that is arranged as shown in the following table.
You need to create the grid and populate the first row of the grid.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)
Correct Answer: B,E,F
Question 4
You are developing an app that will be used to purchase and share music. Users will be allowed to share only content that they have purchased.
You need to display a message within the Share charm when users attempt to share content that they have not purchased.
What should you do?
You need to display a message within the Share charm when users attempt to share content that they have not purchased.
What should you do?
Correct Answer: A
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Question 5
DRAG DROP
You are developing a Windows Store app.
You need to create a class that handles INotifyPropertyChanged events.
You have the following code:
What code snippets should you include in Target 1, Target 2 Target 3 and Target 4 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.)
You are developing a Windows Store app.
You need to create a class that handles INotifyPropertyChanged events.
You have the following code:
What code snippets should you include in Target 1, Target 2 Target 3 and Target 4 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.)
Correct Answer:
Question 6
DRAG DROP
You need to update the app tile images.
With which four code segments in sequence should you replace line AX23? (To answer, move the appropriate code segments from the list of code segments to the answer area and arrange them in the correct order.)
You need to update the app tile images.
With which four code segments in sequence should you replace line AX23? (To answer, move the appropriate code segments from the list of code segments to the answer area and arrange them in the correct order.)
Correct Answer:
Question 7
You need to implement the required image magnification and manipulation requirements for selected images.
Which actions should you perform? (Each correct answer presents part of the solution. Choose all that apply.)
Which actions should you perform? (Each correct answer presents part of the solution. Choose all that apply.)
Correct Answer: A,B,C
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Question 8
You need to modify the GetContactsCompleted event handler to prevent the exception. Which code segment should you use to replace line CS32?
Correct Answer: A
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Question 9
You need to authenticate to a social networking site.
Which code segments should you insert at line SR40? (Each correct answer presents part of the solution. Choose all that apply.)
Which code segments should you insert at line SR40? (Each correct answer presents part of the solution. Choose all that apply.)
Correct Answer: B,D
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Question 10
You are developing a Windows Store app. You have the following requirements:
- Enable the app to receive shared data.
- Save the sharing settings for future use.
You need to ensure that the requirements are met.
What should you implement?
- Enable the app to receive shared data.
- Save the sharing settings for future use.
You need to ensure that the requirements are met.
What should you implement?
Correct Answer: D
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