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

2. HOTSPOT
You plan to develop several Windows Store apps.
You plan to use a CheckBox control in all of the apps. The CheckBox control will use a custom visual display.
You create XAML markup to customize the control. The code contains all of the necessary visual components for the control, including elements named checkedGlyph and indeterminateGlyph.
You need to ensure that the check box meets the following requirements:
- If a value for the check box was NOT set, the check box must display
indeterminateGlyph.
- When the check box is selected, the check box must display checkedGlyph.
- If the check box is cleared, the check box must NOT display any glyphs.
You have the following XAML markup: Which code snippets should you insert in Target 1, Target 2, Target 3, Target 4, Target 5 and Target 6 to complete the XAML markup? (To answer, select the correct code snippet from each drop-down list in the answer area.)

3. You are developing a Windows Store app.
The app will store data in a text file.
You create the following method to store encrypted text in the text file:

The WriteData method writes the contents of an IBuffer object to a StorageFile object.
You need to recommend a solution to encrypt the data. The solution must minimize the use
of system resources and must ensure that the app can decrypt the data.
Which code segment should you recommend adding to line 06?

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

4. You are developing a Windows Store app.
The app will access a web service.
You need to declare the web service Uniform Resource Identifier (URI).
Which file should you modify?

A) Wsp
B) xap
C) AppConfig
D) AppxManifest
E) WebConfig

5. HOTSPOT
You are developing a Windows Store app that detects and displays users' geographic
location details.
During the unit testing of the app, the location details are not displayed.
You need to ensure that the user's location data is displayed.
Which tab in Visual Studio should you use to reconfigure the app to display the location
data? (To answer, select the appropriate object in the answer area.)

Solutions: