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

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

1. You are developing a Windows Store app that will provide users with the ability to create photos by using the hardware on a device.
Once the users create the photos, they can save the photos to the Pictures library.
If the users sign in by using a Microsoft account, they can grant other users remote access
to the photos.
You need to identify which capabilities must be enabled for the app.
Which three capabilities should you identify? (Each correct answer presents part of the
solution. Choose three.)

A) Pictures Library
B) Proximity
C) Internet (Client & Server)
D) Private Networks (Client & Server)
E) Webcam
F) Enterprise Authentication

2. You are developing a Windows Store app.
The app will access a web service.
You need to declare the web service Uniform Resource Identifier (URI).
Which file should you modify?

A) Wsp
B) AppxManifest
C) WebConfig
D) AppConfig
E) xap

3. You need to implement the photo viewer control to meet the requirements.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)

A) Add the themes\generic.xaml file to the project and reference it from the control.
B) Create a composite control.
C) Create a custom control.
D) Create a user control.
E) In the constructor of the class, set the value of the DefaultStyleKey to the type of the control.

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

5. HOTSPOT
You are developing a Windows Store app that allows users to copy music from their local computers to removable storage.
The app displays songs grouped by the month the song was downloaded and allows individual songs to be copied to the removable storage device. The user interface for selecting and copying songs uses data binding.
You need to load and return songs in a format appropriate for data binding.
How should you complete the code segment? (To answer, select the appropriate line of code from each drop-down list in the answer area.)

Solutions: