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Microsoft 070-491 Exam Syllabus Topics:

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

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

Question 2

DRAG DROP
You need to develop an app to measure whether a surface is level. The app will be used on devices that have a gyrometer.
You have the following code: Which code snippets should you include in Target 1, Target 2 and Target 3 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.)

Question 3

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.)

Question 4

HOTSPOT
You need to verify whether the app conforms to the Windows Store requirements.
What command should you run? (To answer, select the appropriate options in the answer area.)

Question 5

HOTSPOT
You are developing a Windows Store app to check the weather.
You need to ensure the app polls an external web service once per hour for tile updates.
You have the following code:

Which code snippet should you insert in Target 1 to complete the code? (To answer, select the correct code snippet from the dropdown list in the answer area.)

Solutions: