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

1. DRAG DROP
You need to meet the app caching requirements.
Which caching technique should you use in each scenario? (To answer, drag the appropriate technique to the correct scenario. Each technique 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.)

2. You need to implement the requirements for the playback of media.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)

A) Add the following line of code at line MC02.
private void ShowPlayTo()
{
Windows.Media.PlayTo.PlayToManager.ShowPlayToUI();
}
B) Add the following line of code at line MC10.
ptMgr.PlayRequested += SourceRequestHandler;
C) Add the following line of code at line MC06.
ptMgr.DefauitSourceSelection = false;
D) Add the following line of code at line MC05.
ptMgr.SourceRequested += SourceRequestHandler;

3. 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.)

4. You create a mobile service to send push notifications to the app.
You configure the service and the app to work with Windows Push Notification Services
(WNS).
You add the following code to the App.xaml.cs file:

You need to ensure that the app can access the push notification channel.
What should you do first?

A) Set the Uri property of pushChannel in the OnActivated event handler of the app.
B) Add a call to GetChannel in the OnActivated event handler of the app.
C) Set the Uri property of pushChannel in the OnLaunched event handler of the app.
D) Add a call to GetChannel in the OnLaunched event handler of the app.

5. DRAG DROP
You are developing an app that converts text to speech.
You need to ensure that the app can read text from open documents.
You have the following code for the reading function of the app. (Line numbers are included
for reference only.)

Which code segments should you insert at lines 03, 05, and 08? (To answer, drag the appropriate code segments to the correct locations. Each code segment 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.)

Solutions: