Online Access Free 070-491 Practice Test

DRAG DROP
You are developing a Windows Store app.
The app has the following accessibility requirements: - The automation name of each text box must be the same as the text box caption. - Each Label element must be associated with its corresponding text box. You need to create an interface that meets the requirements.
You have the following code:

Which code snippets should you include in Target 1 and Target 2 to complete the code? (To answer, drag the appropriate code snippets to the correct targets in the answer area. Each code snippet 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.)

Correct Answer:

You are designing a Windows Store app to manage image and video files.
The app must meet the following requirements:
Video files must be stored locally on each device.
The app must use local storage for data caching.
User settings must be shared across multiple devices.
Image files must be available across multiple devices.
Metadata for images must be stored in a central database.
Image files, video files, and their associated metadata must load as quickly as
possible.
You need to identify which data must be cached based on the app requirements.
Which two types of data should you identify? (Each correct answer presents part of the solution. Choose two.)
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• A.Video files
• B.Image files
• C.Metadata
• D.User settings

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.)

Correct Answer:

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

You place a breakpoint at line MP31 in the app.
When you debug the app, the debugger continuously catches a
System.UnauthorizedAccess exception.
You need to resolve the exception.
What should you do?

• A.At line MP10, change the code segment to the following line of code. read if(cameraUI != null)
• B.Wrap lines CE43 through CE46 in a try-catch statement.
• C.Move line CE09 to CE16.
• D.At line PA25, insert the following line of code. <Capability Name="picturesLibrary"/>