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Microsoft 070-491 Exam Syllabus Topics:

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

Question 1

DRAG DROP
You are developing a Windows Store app.
The following code segment defines an event procedure. (Line numbers are included for reference only.)

You need to define a custom help setting in the event procedure.
Which three code segments should you insert in sequence at line 03? (To answer, move the appropriate code segments to the answer area and arrange them in the correct order.)

Question 2

You are developing a Windows Store app.
The app will store user names and passwords by using Windows Azure.
You need to recommend a method to store the passwords. The solution must minimize the likelihood that the passwords will be compromised.
Which algorithm should you recommend using?

A. SHA512
B. AES
C. 3DES
D. DES

Question 3

DRAG DROP
You are developing an augmented reality app.
You need to retrieve the direction to which the device points.
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 4

HOTSPOT
You are developing a Windows Store app.
You configure the app to support AutoPlay when a portable media player is connected to a
Windows 8.1 device.
You need to verify whether the app was initiated from AutoPlay.
What code should you add to the OnActivated event handler? (To answer, select the
appropriate options in the answer area.)

Question 5

Users report performance issues when getting the location information associated with a photo. You suspect the app is encountering performance issues in the GetLocationAsync() method of the Environment class.
You need to enhance the performance of the GetLocationAsync() method of the app.
What should you do?

A. Move the locator variable to a class level variable and initialize it in the Environment constructor.
B. set the ReportInterval property of the Compass object to 16.
C. set the ReportInterval property of the Compass object to 0.
D. Remove the Compass initialization from the LoadSensors() method and initialize it within the GetLocationAsync() method.

Solutions: