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

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

1. You need to implement the photo viewer control to meet the requirements.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)

A) Create a user control.
B) Create a custom control.
C) In the constructor of the class, set the value of the DefaultStyleKey to the type of the control.
D) Add the themes\generic.xaml file to the project and reference it from the control.
E) Create a composite control.

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

3. You are developing a Windows Store app named VideoPlayer.
The app will provide user with the ability to select video files by using the file picker and to play the video.
You need to recommend a solution for the app that meets the following requirements:
- If the app is terminated while playing a video, the next time the app starts, the
video must play.
- The app must minimize the amount of storage space used.
- The app must NOT request any capabilities.
What should you include in the recommendation?

A) Add the file to AccessCache.StorageApplicationPermissions.MostRecentlyUsedList.
B) Store the video in ApplicationData.Current.LocalFolder.
C) Store the video in ApplicationData.Current.RoamingFolder.
D) Store the StorageFile.Path property in ApplicationData.Current.LocalSettings.

4. DRAG DROP
You are developing a Windows Store app.
You need to implement claims according to their appropriate use.
Which claim is appropriate for each purpose? (To answer, drag the appropriate claims to the correct locations in the answer area. Each claim 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.)

5. You are developing a Windows Store app that will be used to access large files stored online.
The files will be shared between users worldwide.
You need to recommend a solution to ensure that the users can download the files as quickly as possible.
Which storage solution should you recommend?

A) Microsoft Azure Mobile Services
B) A roaming folder
C) OneDrive
D) Microsoft Azure Content Delivery Network (CDN)

Solutions: