Try Microsoft : 70-491 valid & accurate questions and answers
Updated: Oct 19, 2026
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Microsoft 70-491 Exam Overview:
| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Recertification for MCSD: Windows Store Apps using C# |
| Exam Number: | 70-491 |
| Real Exam Qty: | 40-91 |
| Passing Score: | 700 |
| Related Certifications: | MCSD: Windows Store Apps MCP |
| Exam Format: | Active screen, Multiple choice, Drag-and-drop, Hot area, Case studies |
| Available Languages: | English, Japanese |
| Exam Duration: | 120-150 |
| Exam Price: | $165 USD |
| Certificate Validity Period: | 2 years |
| Recommended Training: | Microsoft Official Training |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | Microsoft 70-491 Sample Questions |
| Exam Way: | Onsite at Pearson VUE test centers, online proctored |
| Pre Condition: | Hold an active MCSD: Windows Store Apps using C# certification; 2-3 years experience with C#, XAML and Visual Studio |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/certifications/retired-exams |
Microsoft 70-491 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Manage Security and Data | 15% | - Authenticate and authorize users - Implement data access and storage - Secure data and communications |
| Develop Windows Store Apps | 25% | - Integrate with Windows Runtime APIs - Manage app state and settings - Implement app lifecycle |
| Program User Interaction | 15% | - Support touch, mouse, and keyboard input - Implement commands and events - Implement notifications and background tasks |
| Design Windows Store Apps | 20% | - Design app architecture - Design for accessibility and globalization - Design for performance and security |
| Create the User Interface | 25% | - Design and implement controls - Support different display sizes and orientations - Implement layout and navigation |
Microsoft Recertification for MCSD: Windows Store Apps using C# Sample Questions:
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. Windows Azure
- C. The await Windows.Storage.ApplicationData.Current.LocalFolder method
- D. TheWindows.Storage.ApplicationData.Current.RoamingSettings object
Correct Answer: A,C 🗳️
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DRAG DROP
You are developing a Windows Store app that provides users with the ability to make short audio recordings if an audio device is available.
You need to ensure that the users can replay the audio recording before they save the recording.
You have the following code: (Line numbers are included for reference only.)
Which code segments should you insert at lines 02, 07 and 10? (To answer, drag the appropriate code segments to the correct locations. 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.)
Correct Answer:
You are developing a Windows Store app that will provide users with the ability to save annotations to text files.
You have the following code segment: (Line numbers are included for reference only.)
You need to add the contents of data to the beginning of file. Which code segment should you insert at line 03?
- A. Option D
- B. Option A
- C. Option C
- D. Option B
Correct Answer: A 🗳️
You are developing a Windows Store app that will be used to access large files stored online.
The files will be shared between users worldwide.
You need to recommend a solution to ensure that the users can download the files as quickly as possible.
Which storage solution should you recommend?
- A. OneDrive
- B. Microsoft Azure Mobile Services
- C. A roaming folder
- D. Microsoft Azure Content Delivery Network (CDN)
Correct Answer: D 🗳️
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 PA25, insert the following line of code. <Capability Name="picturesLibrary"/>
- C. At line MP10, change the code segment to the following line of code. read if(cameraUI != null)
- D. Move line CE09 to CE16.
Correct Answer: B 🗳️
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