Microsoft 70-491 Exam Questions : Recertification for MCSD: Windows Store Apps using C#

Exam Code: 70-491
Exam Name: Recertification for MCSD: Windows Store Apps using C#
Updated: Sep 10, 2026
Q&As: 91 Questions and Answers

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Microsoft 70-491 Exam Syllabus Topics:

Section	Objectives
Application Lifecycle Management	- State management and persistence during lifecycle events - App activation, suspension, and termination handling
Data Access and Storage	- Local storage and roaming data - Serialization and data persistence techniques - File system access and permissions
App Deployment and Windows Store	- Packaging and deployment process - Windows Store certification requirements
Debugging, Performance, and Troubleshooting	- Exception handling and diagnostics - Debugging tools and techniques - Performance optimization strategies
User Interface Design with XAML	- Control templates and styling - Layout controls and adaptive UI design - Data binding and MVVM pattern implementation
Networking and Services	- Handling HTTP requests and responses - Consuming RESTful services - Background transfers and connectivity scenarios

Microsoft Recertification for MCSD: Windows Store Apps using C# Sample Questions:

Question #1

DRAG DROP
You are developing a page for a Windows Store app.
You have the following requirements for the page:
- Display a button on the bottom app bar that allows the user to insert a picture. This button must be bound to the Insert command in the view model. - Display a button in the main content area of the page that allows the user to open documents. This button must be bound to the Open command in the view model.
You need to ensure that the requirements are met.
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.)

Reveal Solution Discussion 0

Correct Answer:

Question #2

You are developing a Windows Store app that includes the following controls:
- The ApplicationView control, which is entirely opaque, displays content that the app displays under normal circumstances. - The MessageView control, parts of which are transparent displays information messages in exceptional circumstances.
You are creating an app page that includes the ApplicationView and MessageView controls.
When both controls are visible, you have the following requirements:
- The controls must expand to fill the entire page. - The ApplicationView control must be recognizable through the transparent portions of the MessageView control.
You need to create the page content.
Which code segment should you use?

A. Option C
B. Option A
C. Option B
D. Option D

Reveal Solution Discussion 0

Correct Answer: B 🗳️

Question #3

You are developing a Windows Store app.
You create a custom control named AppSettingsFlyout, which is inherited from the
SettingsFlyout control.
You need to ensure that the Settings flyout of the app is available from the charm bar.
When the flyout is dismissed, users must be returned to the Settings pane. You have the following code. (Line numbers are included for reference only.)

Which code segment should you insert at line 05?

A. updatesFlyout.Show();
B. updatesFlyout.Showlndependent();
C. ApplicationSettings.SettingsPane.Show();
D. ApplicationSettings.SettingsPane.GetForCurrentView();

Reveal Solution Discussion 0

Correct Answer: A 🗳️

Question #4

DRAG DROP
You are developing a Windows Store app that caches user application data in the local data store.
The app must create a setting named UserName within a container named UserSettings. The app must store the user name in the local store.
You need to meet the requirements.
How should you complete the code segment? (To answer, drag the appropriate options to the correct location or locations. Each option 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.)

Reveal Solution Discussion 0

Correct Answer:

Question #5

You are developing a Windows Store multi-player game.
You need to ensure that the game can authenticate users by using the credentials of a third-party social networking site.
Which class should you use?