Microsoft MCSD 070-491

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

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

2. HOTSPOT
You are developing a Windows Store app.
The app receives badge notifications from Windows Push Notification Services (WNS).
You configure the app to establish a communication channel with WNS. You use a variable named pushChannel to store the notification channel object used for communication. You add the following line of code to the app:

Which code snippets should you insert in Target 1, Target 2 and Target 3 to complete the code? (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 D
B) Option C
C) Option A
D) Option B

4. DRAG DROP
You need to allow users to capture video instead of photos. You have the following code:

Which code snippets should you include in Target 1 and Target 2 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.)

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

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

Solutions:

Question # 1 Answer: A,C

Question # 2 Answer: Only visible for members

Question # 3 Answer: A

Question # 4 Answer: Only visible for members

Question # 5 Answer: D