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Microsoft 070-518 Exam Syllabus Topics:

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

1. You are designing a .NET Framework 4 solution that contains a Windows Presentation Foundation (WPF) application. The WPF application includes CPU-intensive calculations.
The calculations can be run on a separate process and can effectively be isolated from the rest of the WPF application.
You need to recommend a deployment strategy that maximizes the scalability of the calculations for each user.
What should you recommend?

A) Deploy the calculation logic as a separate assembly along with the WPF application to each client computer. Invoke methods in the assembly asynchronously.
B) Deploy the calculation logic as a Windows Communication Foundation (WCF) service to servers. Deploy the WPF application to the same servers.
C) Deploy the calculation logic as a separate assembly along with the WPF application to each client computer. Invoke methods in the assembly synchronously.
D) Deploy the calculation logic as a Windows Communication Foundation (WCF) service to servers. Deploy the WPF application to each client computer.

2. ---
You are reviewing an existing Windows application that uses .NET Framework 4.
When the user clicks a button, the application sequentially processes thousands of image files contained in a directory.
The user interface becomes unresponsive while the application processes the files.
You have the following requirements:
Modify the button's click event.
Increase application throughput by processing multiple image files concurrently.
Ensure that the user interface remains responsive while the application processes
the image files.
You need to recommend an approach for meeting the requirements.
What should you recommend?

A) Iterate over the image files by using the Parallel.ForEach()method. For each image file, start a separate thread that processes the image file, by using the Thread.Start() method.
B) Use the Parallel.ForEach() method to process the images concurrently.
C) Iterate over the image files. For each image file, use the Process.Start() method to launch a console application that processes the image file.
D) Use the ThreadPool.QueueUserWorkItem() method to queue up a single work item that uses the Parallel.ForEach () method to process the image files concurrently.

3. You are designing a .NET Framework 4 solution that includes a Windows Presentation Foundation (WPF) application, a Windows service, and a private assembly shared by the WPF application and by the Windows service.
The solution stores data in a local Microsoft SQL Server Compact 3.5 database. The WPF application and Windows service will each access the database directly. The solution will be installed by using Windows Installer.
You have the following requirements:
- The installer must allow users to specify the installation folders for the WPF application and for the database. - The solution must support the deployment of updates to the WPF application without restarting the Windows service.
You need to recommend an approach for installing the solution.
Which two actions should you recommend? (Each correct answer presents part of the solution. Choose two.)

A) In the installer, set an environment variable that defines the database installation path.
B) Install the Windows service to a different folder from the WPF application.
C) In the installer, create a registry key that stores the WPF application installation path.
D) Install the Windows service to the same folder as the WPF application.

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

5. You are designing an application by using Windows Presentation Foundation (WPF) and Microsoft .NET Framework 4.
The application retrieves customer data from an enterprise resource planning (ERP) system.
You need to ensure that the following requirements are met: - Customer data is retrieved only once.
- Customer data is available on multiple forms within the application.
- Forms can implement Two-Way binding to the customer datA.
What should you do?

A) Store the results of the query in a local XML file. Bind all forms to an XMLDataAdapter object that references the local XML file.
B) Store the results of the query in a static DataTable object that is used by all the forms.
C) Design a static class for the data that implements the IObservable interface. Subscribe to the static class from each of the forms that use the datA.
D) Design a static class for the data that implements the INotifyPropertyChanged interface. Raise the PropertyChanged event to notify the forms when data is changed.

Solutions: