Microsoft 70-491 : Recertification for MCSD: Windows Store Apps using C#

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Microsoft 70-491 Exam Syllabus Topics:

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

1. 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.)
------

A) User settings
B) Image files
C) Video files
D) Metadata

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

3. You are developing a Windows Store app that beeps when a device is turned upside down.
You need to identify which type of sensor to use for the app.
Which sensor should you identify?

A) Gyrometer
B) Accelerometer
C) GPS
D) Inclinometer

4. You need to protect the metadata for the secure documents.
Which protection descriptor should you use for the DataProtectionProvider object?

A) LOCAL=user
B) SID
C) USER=current
D) WEBCREDENTIALS=userrpassword

5. You are developing an app that will be used to purchase and share music. Users will be allowed to share only content that they have purchased.
You need to display a message within the Share charm when users attempt to share content that they have not purchased.
What should you do?

A) Use the SetText() method of the DataPackage object.
B) Set the LegalInformation property of the DataPackage object.
C) Use the FailWithDisplayText() method of the DataRequest object.
D) Use a toast notification.

Solutions: