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

1. You are designing a Windows Presentation Foundation (WPF) application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010.
During testing of the application, you identify several bottlenecks by using Windows Task Manager and Windows Performance Monitor.
You need to recommend a system test strategy that will meet the following requirements:
- Identify major application workloads.
- Identify the functions of the application that are most impacted.
Which testing strategy should you recommend?

A) Security testing
B) Stability testing
C) Scalability testing
D) Usability testing

2. You are designing an application by using Windows Presentation Foundation (WPF) and Microsoft .NET Framework 4.
The application will run on Windows 7-based kiosks that are located indoors and outdoors. The kiosk displays have a photo sensor that will update the application with the current ambient luminosity.
You need to ensure that the user interface (UI) of the application dynamically changes the application theme based on the ambient luminosity.
What should you use?

A) A VisualBrush control to paint the UI
B) An attached behavior to change a merged resource dictionary
C) A RenderTransform control applied to the root canvas
D) A visual state manager to add VisualStateGroup objects

3. You are designing a Windows Forms application.
You intend to display graphics on a form in the application by using a third-party Windows
Presentation Foundation (WPF) control.
You need to recommend a control for hosting the third-party WPF control.
What should you recommend?

A) AnElementHost control
B) A WindowsFormsHost control
C) A Canvas control
D) A Panel control

4. You are designing a Windows Forms application that allows users to search a product catalog and place orders.
You have the following requirements:
--
Display a progress indicator while the application is searching the catalog. Ensure that users can cancel search operations.
You need to recommend an approach that meets the requirements.
What should you recommend?

A) Implement the search as a Windows Communication Foundation (WCF) service by usingthe AsyncPattern property of the OperationContractattribute.
B) Implement the search as a duplex service.
C) Execute the search on the user interface thread. Provide a Cancel button to cancel the search.
D) Use a BackgroundWorker component to perform the search.

5. You design a Windows Presentation Foundation (WPF) application that interacts with a Windows Communication Foundation (WCF) Web service. The WCF Web service throws exceptions of type Exception.
The WPF application crashes when the WCF Web service throws an exception.
You need to recommend an error-handling strategy that allows users to submit updated data to the WCF Web service without restarting the WPF application.
What should you recommend?

A) Modify the Web service to throw exceptions of type FaultExceptton.
B) Modify the Web service to throw custom exceptions derived from the Exception class.
C) Modify the Web service to throw custom exceptions derived from the ApplicationException class.
D) Modify the Web service to throw exceptions of type InvalidOperationException

Solutions: