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Microsoft 070-490 Exam Syllabus Topics:

Microsoft Recertification for MCSD: Windows Store Apps using HTML5 Sample Questions:

Question 1

You are developing two Windows Store apps by using JavaScript. A Source app will store sensitive customer information. A Target app will retrieve the stored information for validation and further processing.
The Source app must secure data by using a private-public key pair. Only the Target app must be able to consume data that has been secured by the Source app.
You need to ensure that the security of the data is not compromised.
What should you do?

A. Encrypt and decrypt data by using an asymmetric algorithm.
B. Encode data to and decode data from a Base64 string.
C. Encrypt and decrypt data by using a symmetric algorithm.
D. Encrypt data by using an asymmetric algorithm. Decrypt data by using a symmetric algorithm.

Question 2

You are developing a fitness app for distribution through the Windows Store.
The app must interact with the following USB device classes:
Webcam
Infrared thermometer
Scale
Printer
----
You need to modify the app manifest file as required to support the devices.
Which two device classes should you include? Each correct answer presents part of the solution.

A. IrDa
B. AudioVideo
C. Printer
D. PersonalHealthcare

Question 3

DRAG DROP
You are developing a Windows Store app that uses a CredentialPicker control to collect the user's user name and password credentials.
The CredentialPicker control has the following requirements:
- The Remember my credentials check box must be selected by default. - The text "Enter user name and password" must be displayed in the message header of the dialog box.
You need to ensure that the requirements are met.
Which properties should you use? (To answer, drag the appropriate properties to the correct locations in the answer area. Each property 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.)

Question 4

You need to test connection reliability.
What should you do?

A. Display the status of the tap gesture after the TriggeredConnectionStateChanged event. Test wireless connections by calling the ConnectAsync method.
B. Display the status of the tap gesture after the Start event. Test wireless connections by calling the ConnectAsync method.
C. Display the status of the tap gesture after the Start event. Test wireless connections by calling the FindAllPeersAsync method.
D. Display the status of the tap gesture after the TriggeredConnectionStateChanged event. Test wireless connections by calling the FindAllPeersAsync method.

Question 5

You are developing a Windows Store app. The app includes the following HTML markup:

You are creating a Flexible Box layout for the application. The layout must be configured as shown in the following display.

The Flexible Box layout must conform to the following requirements:
- The Child2 DIV element must appear on the right side of the layout. - The Child1 DIV element must appear immediately to the left of Child2.
You need to add CSS to ensure that the requirements are met. Which CSS segment should you add to the style sheet?

A. Option C
B. Option B
C. Option D
D. Option A

Solutions: