Microsoft Recertification for MCSD: Windows Store Apps using C# 認定 070-491 試験問題:

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

2. 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 A
B) Option C
C) Option D
D) Option B

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

4. DRAG DROP
You are developing a Windows Store app.
You need to identify the effects of applying Microsoft design principles to the user interface.
Which effects result from the design principles? (To answer, drag the appropriate effects to the correct locations in the answer area. Each effect 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.)

5. You create a mobile service to send push notifications to the app.
You configure the service and the app to work with Windows Push Notification Services
(WNS).
You add the following code to the App.xaml.cs file:

You need to ensure that the app can access the push notification channel.
What should you do first?

A) Add a call to GetChannel in the OnLaunched event handler of the app.
B) Set the Uri property of pushChannel in the OnActivated event handler of the app.
C) Set the Uri property of pushChannel in the OnLaunched event handler of the app.
D) Add a call to GetChannel in the OnActivated event handler of the app.

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