Microsoft 070-491 Test Passed : Recertification for MCSD: Windows Store Apps using C#

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Microsoft 070-491 Exam Syllabus Topics:

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

1. DRAG DROP
You are developing your first Windows Store app and submitting it to the Windows Store.
The app uses a cloud server to send notifications by using Windows Push Notification
Service (WNS).
You need to authenticate the cloud server with WNS.
Which five actions should you perform in sequence? (To answer, move the appropriate
actions from the list of actions to the answer area and arrange them in the correct order.)

2. HOTSPOT
You are developing a Windows Store app.
You need to encrypt data.
How should you complete the code segment? (To answer, select the appropriate line of
code from each drop-down list in the answer area.)

3. You are developing a Windows Store app named GeoLoc. You have the following code:

When you run the app on some devices, you receive the following error message: "An exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll but was not handled in user code."
You need to resolve the issue that causes the exception to occur.
Which file should you modify?

A) App.xaml
B) Package.appxmanifest
C) Assemblyinfo.es
D) Geoloc.csproj

4. You plan to develop a Windows Store app to create pictures.
Users of the app will be able to save the pictures that they create and to share the pictures with friends by using a web link.
You need to ensure that the friends can makes comments on the shared pictures.
Which storage technology should you use? (More than one answer choice may achieve the goal. Select the BEST answer.)

A) Microsoft Azure blob storage
B) Roaming storage
C) One Drive
D) Microsoft Azure Mobile Services

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 OnActivated 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 OnLaunched event handler of the app.

Solutions: