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Microsoft 070-491 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Application Lifecycle Management | - State management and persistence during lifecycle events - App activation, suspension, and termination handling |
| Networking and Services | - Background transfers and connectivity scenarios - Consuming RESTful services - Handling HTTP requests and responses |
| Data Access and Storage | - File system access and permissions - Local storage and roaming data - Serialization and data persistence techniques |
| App Deployment and Windows Store | - Windows Store certification requirements - Packaging and deployment process |
| User Interface Design with XAML | - Control templates and styling - Layout controls and adaptive UI design - Data binding and MVVM pattern implementation |
| Debugging, Performance, and Troubleshooting | - Exception handling and diagnostics - Debugging tools and techniques - Performance optimization strategies |
Microsoft Recertification for MCSD: Windows Store Apps using C# Sample Questions:
You are developing a Windows Store app.
You declare a Search declaration in the app manifest and you add a search results page.
You plan to display search results by using a Query Text property that derives from EventArgs,
You need to ensure that users can use the Search charm to search for content within the app.
What should you do?
- A. Add an event handler for the SearchPane.QueryChanged event to MainPage.xaml.es. Register the event handler in the OnWindowCreated method in MainPage.xaml.es.
- B. Add an event handler for the SearchPane.QuerySubmitted event to App.xaml.cs. Register the event handler in the constructor of the page.
- C. Add an event handler for the SearchPane.QuerySubmitted event to App.xaml.cs. Register the event handler in the OnWindowCreated method of the page.
- D. Add an event handler for the SearchPane.QuerySubmitted event to MainPage.xaml.es. Register the event handler in the OnWindowCreated method in MainPage.xaml.es.
Correct Answer: C π³οΈ
You are developing a Windows Store app.
The app will store user names and passwords by using Windows Azure.
You need to recommend a method to store the passwords. The solution must minimize the likelihood that the passwords will be compromised.
Which algorithm should you recommend using?
- A. SHA512
- B. DES
- C. AES
- D. 3DES
Correct Answer: A π³οΈ
Explanation: Only visible for RealVCE members. You can sign-up / login (it's free).
You are developing a Windows Store app.
The app will access several web resources that use an OAuth 2.0 authentication provider.
You need to recommend in which class to store user credentials so that users do not have
to reenter their credentials when they access the web resources.
Which class should you recommend?
- A. System.Net.AuthenticationManager
- B. System.Net.NetworkCredential
- C. Windows.Security.Credentials.WebAccount
- D. Windows.Security.Credentials.PasswordVault
Correct Answer: D π³οΈ
Explanation: Only visible for RealVCE members. You can sign-up / login (it's free).
You need to localize the Picture Sharer app in the required language.
Which actions should you perform? (Each correct answer presents part of the solution. Choose all that apply.)
- A. Add a Name attribute to any XAML elements that must be localized.
- B. Create a folder named fr-CA at the root of the project.
- C. Create a resource file named resources.res.
- D. Add a Uid attribute to any XAML elements that must be localized.
- E. Create a folder named es-ES at the root of the project.
- F. Create a resource file named resources.resw.
Correct Answer: B,D,F π³οΈ
Explanation: Only visible for RealVCE members. You can sign-up / login (it's free).
DRAG DROP
You are developing a Windows Store social media app. The app communicates with the server by using a secure web service.
You need to ensure that users can securely store and retrieve web service credentials. 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:
Esther 
Claire 
Herman 
Quintina 
Zebulon 
Sylvia 
Ann 
Rosalind 
Joseph 
Kenneth 
Gerald 
Justin 
Kent 
James 
Wordsworth 
Sabina 
Justin 
Xaviera 
