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Microsoft 070-491 Exam Syllabus Topics:

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

1. You are developing a Windows Store app that accesses a USB Human Interface Device (HID). The app has a default page and a settings page.
You need to ensure that when a user connects the USB device, the app starts automatically and opens the settings page.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Add a Removable Storage capability to the app manifest.
B) Add a File Type Associations declaration to the app manifest.
C) Override the OnActivated method in the Application class and use the ActivatedEventArgs interface.
D) Override the OnLaunched method in the Application class and use the ApplicationViewEventArgs interface.
E) Add an AutoPlay Device declaration to the app manifest.

2. HOTSPOT
You are developing a Windows Store app.
The app receives badge notifications from Windows Push Notification Services (WNS).
You configure the app to establish a communication channel with WNS. You use a variable named pushChannel to store the notification channel object used for communication. You add the following line of code to the app:

Which code snippets should you insert in Target 1, Target 2 and Target 3 to complete the code? (To answer, select the correct code snippet from each drop-down list in the answer area.)

3. DRAG DROP
You need to write code for the method that will be called when a user takes a picture. (Develop the solution by arranging the code snippets. You will need all of the code snippets.)

4. 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.NetworkCredential
B) Windows.Security.Credentials.WebAccount
C) Windows.Security.Credentials.PasswordVault
D) System.Net.AuthenticationManager

5. 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?

A) a QuickLink
B) a play to charm
C) a Share target
D) a share charm

Solutions: