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Microsoft 70-518 Exam Syllabus Topics:

Microsoft PRO: Design & Develop Wndws Apps Using MS .NET Framework 4 Sample Questions:

Question 1

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You are designing a .NET Framework 4 solution. The solution contains a Windows Presentation Foundation (WPF) application and a Windows Communication Foundation (WCF) Web service.
The WPF application uses the WCF Web service to store data in a Microsoft SQL Server 2008 database.
You have the following requirements:
Ensure that the WPF application functions while users' computers are offline.
Minimize the time spent sending data to the WCF Web service.
Minimize disk space requirements for data storage.
You need to recommend an approach for synchronizing data between the WPF application and the database.
Which two actions should you recommend? (Each correct answer presents part of the solution. Choose two.)

A. Create a local caching solution that periodically checks for Internet connectivity, uses local memory, and batches changes to the WCF Web service.
B. Store data in DataSet objects. Serialize data locally by using XML serialization.
C. Store data in custom business objects. Serialize data locally by using custom serialization.
D. Create a local caching solution that periodically checks for Internet connectivity and writes directly to the local data store and to the WCF Web service.

Question 2

You are working with an existing Windows Presentation Foundation (WPF) application in Microsoft Visual Studio 2010. The WPF application requires approximately one minute to initialize before displaying its main window.
You have the following requirements:
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Immediately display a splash screen when the WPF application launches. Allow for the display of an initialization progress bar on the splash screen. Close the splash screen when the WPF application is ready to display the main window.
You need to recommend an approach for meeting the requirements.
What should you recommend?

A. Compile an image into the WPF application with a Build Action value of SplashScreen.
B. Launch a custom splash screen by using a Window object. When the initialization completes, launch the main window from the splash screen.
C. Move the initialization code to the code-behind of the main window.
D. Create a SplashScreen object. Display the object in the code-behind of the App.xaml file.

Question 3

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An existing Windows application uses a Windows Communication Foundation (WCF) Web service that is available only to employees.
You have the following requirements:
Make the WCF Web service available to business partners.
Enable business partners to send a profile token.
Ensure that the currently deployed application continues to function.
You need to recommend a solution that meets the requirements.
What should you recommend?

A. Implement the WCF Web service as a REST service.
B. Modify the WCF Web service operations to accept the profile token as an additional parameter.
C. Convert the WCF Web service to a Duplex service that implements a callback to accept the profile token.
D. Use SOAP headers to pass the profile token to the service operations.

Question 4

You are designing a Windows application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010.
You need to use a replacement culture for the application at runtime.
You also need to ensure that the information in the custom culture will be available to the application.
Which two tasks should you perform? (Each correct answer presents part of the solution. Choose two.)

A. Register the replacement culture by using the CultureInfo class.
B. Call the Save method of the CultureAndRegionInfoBuilder class instance.
C. Register the replacement culture by using the CultureAndRegionInfoBuilder class.
D. Restart the process that is displaying the user interface.

Question 5

You are designing a Windows Presentation Foundation (WPF) application that connects to a data access layer on a server.
You have the following requirements for all security-related exceptions:
- Exceptions that occur in the data access layer must be handled in a single exception handler in the WPF application. - Exceptions must pass customized messages back to the WPF application.
You need to recommend an approach for creating new exception classes in the data access layer.
From which class should you inherit?

A. System.AccessViolationException
B. System.InvalidOperationException
C. System.Security.SecurityException
D. System.ApplicationException

Solutions: