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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 allows users to record audio and video files and save them to their devices.
You have the following requirements:
The audio and video files must be shorter than three minutes in duration. The app must finalize recording automatically when the time limit is reached. You cannot use continuous polling to test when the time limit is reached.
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You need to ensure that the app meets the requirements.
What should you do?

A) Handle the RecordLimitationExceeded event.
B) Call the StopRecordAsyncO method.
C) Handle the AudioTransferRequested event.
D) Assign a handler lo the DefaultAudioCaptureDeviceChanged event.

2. 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"/>

3. DRAG DROP
You are developing a Windows Store app.
The app has the following requirements:
- Open the Search charm.
- Provide query suggestions by using the GetSuggestions() method-
You need to ensure that the app meets the requirements. You have the following code:

Which code snippets should you insert 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.)

4. DRAG DROP
You are developing a Windows Store app.
The app includes the following event procedure:
Void OnSettingsPaneOpened(SettingsPanesettingsPane,
SettingsPaneCommandsRequestedEventArgseventArga)
You need to call the event procedure when the user opens the settings pane.
Which three code segments should you use in sequence? (To answer, move the
appropriate code segments to the answer area and arrange them in the correct order.)

5. You need to track the screen orientation and page size. Which code segment should you insert at line CS09?

A) Option D
B) Option C
C) Option B
D) Option A

Solutions: