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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: | 40-60 |
| Certificate Validity Period: | Typically aligned with Microsoft certification recertification requirements (periodic renewal; program has been retired) |
| Exam Price: | USD 60-100 (varies by region) |
| Related Certifications: | MCSD: Windows Store Apps using C# |
| Exam Duration: | 45-60 |
| Available Languages: | English |
| Passing Score: | 700 (scaled score out of 1000) |
| Exam Format: | Case studies, Multiple choice, Scenario-based questions |
| Recommended Training: | Microsoft Learn (App Development Resources) |
| Exam Registration: | Pearson VUE Microsoft Exams Microsoft Certification Portal |
| Sample Questions: | ![]() |
| Exam Way: | Proctored exam delivered online or at authorized testing centers (historically via Pearson VUE) |
| Pre Condition: | MCSD: Windows Store Apps using C# certification (or equivalent Windows Store Apps development experience) |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/ |
Microsoft 70-491 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: App Deployment and Windows Store | - Windows Store certification requirements - Packaging and deployment process |
| Topic 2: Debugging, Performance, and Troubleshooting | - Performance optimization strategies - Exception handling and diagnostics - Debugging tools and techniques |
| Topic 3: Application Lifecycle Management | - App activation, suspension, and termination handling - State management and persistence during lifecycle events |
| Topic 4: Networking and Services | - Handling HTTP requests and responses - Consuming RESTful services - Background transfers and connectivity scenarios |
| Topic 5: Data Access and Storage | - Serialization and data persistence techniques - Local storage and roaming data - File system access and permissions |
| Topic 6: User Interface Design with XAML | - Control templates and styling - Data binding and MVVM pattern implementation - Layout controls and adaptive UI design |
Microsoft 70-491 Exam: Read Before You Buy
Microsoft Recertification for MCSD: Windows Store Apps using C# is an official Microsoft exam, catalogued under exam code 70-491. Passing it awards the MCSD: Windows Store Apps using C# (Recertification) certification at the Professional level. It also connects with MCSD: Windows Store Apps using C#. It is built for candidates with ambitious aims, and the credential it grants is recognized accordingly.
Microsoft Recertification for MCSD: Windows Store Apps using C# spans 6 official domains, led by App Deployment and Windows Store, Application Lifecycle Management, and Networking and Services. The complete outline sits above; before getting down to business, look through the whole contents quickly so every later practice session has context.
The Microsoft Recertification for MCSD: Windows Store Apps using C# exam presents 40-60 questions within 45-60. A practical tip from successful candidates: mark the most difficult questions during practice, exchange notes on them with friends, and repeat them until they stop being difficult. The TestPassKing engine makes that loop fast, and the clock stops being a threat.
Passing Microsoft Recertification for MCSD: Windows Store Apps using C# requires 700 (scaled score out of 1000), and official registration costs USD 60-100 (varies by region). Retakes bill the full USD 60-100 (varies by region) again, so verify readiness before booking: when your TestPassKing practice scores clear the requirement repeatedly, including on questions you once marked as difficult, you are ready.
MCSD: Windows Store Apps using C# certification (or equivalent Windows Store Apps development experience)
Requirements change from time to time, so confirm the current conditions before registering on the official exam page.
Microsoft Recertification for MCSD: Windows Store Apps using C# registration is handled through the official channels below.
When you schedule, note that the exam is delivered Proctored exam delivered online or at authorized testing centers (historically via Pearson VUE).
Microsoft recommends the following training for Microsoft Recertification for MCSD: Windows Store Apps using C# candidates.
Combine any training with the 91 practice questions in the TestPassKing 70-491 package; one or two focused days of repeated practice after a course is often what locks the knowledge in.
Yes, a free demo of the Microsoft Recertification for MCSD: Windows Store Apps using C# questions is available before purchase. Afterward, you can track freshness by the updating version number on the website, and whenever questions change we instantly email the details to you, free for 365 days. We even keep sending the latest questions after you pass, so you can follow every tiny change. After expiry, extending updates costs 50% of the regular price.
Your purchase carries a 100% money-back guarantee under clear conditions. Take the Microsoft Recertification for MCSD: Windows Store Apps using C# exam within 60 days of purchase; if you fail, you may claim a full refund, provided the exam matches your product. Attempts within 3 days of purchase are ineligible, as are downloaded-but-unused products, free materials, and expired orders; the candidate name must match the payer name. Submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and claims are processed within 7 days. Alternatively, exchange for two other exam products of equal value, free, keeping the update service on your original purchase.
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Microsoft Recertification for MCSD: Windows Store Apps using C# Sample Questions:
You are developing a Windows Store app that will provide users with the ability to subscribe to content by using in-app purchases.
You need to test the in-app purchase functionality of the app before you deploy the app to the Windows Store.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)
- A. Modify the Package.appxmanifest file.
- B. Use the CurrentAppSimulator class.
- C. Modify the App.xaml file.
- D. Use the CurrentApp class.
- E. Modify the Windowsstoreproxy.xml file.
Correct Answer: B,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. Move line CE09 to CE16.
- B. At line MP10, change the code segment to the following line of code. read if(cameraUI != null)
- C. Wrap lines CE43 through CE46 in a try-catch statement.
- D. At line PA25, insert the following line of code. <Capability Name="picturesLibrary"/>
Correct Answer: D 🗳️
Explanation: Only visible for TestPassKing members. You can sign-up / login (it's free).
DRAG DROP
You are developing a Windows Store app.
The app has the following requirements:
- Open the Search charm.
- Provide query suggestions by using the GetSuggestions() method-
You need to ensure that the app meets the requirements. You have the following code:
Which code snippets should you insert 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.)
Correct Answer:

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 C
- B. Option A
- C. Option D
- D. Option B
Correct Answer: A 🗳️
You are developing a Windows Store app to view MP4 videos.
You need to ensure that when a user double-clicks an MP4 file, the app starts and plays back the video automatically.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)
- A. Add an OnFileActivated event handler to the App.xaml.cs file.
- B. Add an AutoPlay Content declaration to the Appxmanifest file.
- C. Modify the OnActivated event of the App.xaml.cs file to pass ProtocolActivatedEventArgs to the page if ActivatedEventArgs.Kind == ProtocolActivatedEventArgs.
- D. Add a File Type Associations declaration to the Appxmanifest file.
- E. Add the Videos Library capability to the Appxmanifest file.
Correct Answer: A,D 🗳️
Explanation: Only visible for TestPassKing members. You can sign-up / login (it's free).




