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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

You are designing a Windows Presentation Foundation (WPF) application that uses .NET
Framework 4.
The WPF application will be deployed to 5,000 users worldwide.
You need to recommend an approach for identifying problems that users will experience.
Which testing methodology should you recommend?

A. Integration testing
B. Functional testing
C. Usability testing
D. Acceptance testing

Question 2

You are designing updates to a Windows solution that processes complex scientific datA.The solution extracts analyzed data from Microsoft Excel by using an application-level add-in.
You have the following requirements:
---
Deploy the Excel add-in to client machines with the application. Ensure that the solution supports Excel 2007 and Excel 2010. Minimize the size of the deployment package.
You need to recommend an approach that meets the requirements.
What should you recommend?

A. Include the primary interop assembly for Excel 2010.
B. Include the primary interop assembly for Excel 2007.
C. Embed the type information from the Excel 2010 COM library.
D. Embed the Excel 2010 COM library.

Question 3

You are updating a Windows desktop client application that was created by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010.
The application displays data derived from several database queries. The display takes a long time to update.
The application currently uses a BackgroundWorker thread and a Parallel.ForEach statement on that thread.
Users have requested a modification to the program that would allow them to interrupt the display of data and begin processing a new and different query.
You decide to provide a new Stop button on the user interface (UI) to allow the user to terminate the current data display and initiate the new query. The main UI thread must be notified when the current data processing is terminated so that the new query can be started.
You need to implement the Stop button event handler.
What should you do?

A. Use the DoWork handler of the worker thread and test a shared status value.
Use the Thread.Abort() statement to terminate the worker thread. Start a new BackgroundWorker thread from the main UI thread.
B. Use the DoWork handler of the worker thread and test a shared status value.
Use a break statement to terminate the Parallel.ForEach loop.
C. Use the DoWork handler of the worker thread and test a shared status value.
Use a loopStatus.Stop() statement to terminate the Parallel.ForEach loop.
D. Use a CancelAsync() function to cancel the worker thread.
In the Parallel.ForEach loop, test the CancellationPending property.
If the property is set to true, perform the following tasks:
Write a loopStatus.Stop() statement.
Set the DoWorkEventArgs.Cancel property to true.
Use a return statement to exit from the loop.

Question 4

You are packaging updates for multiple Windows Presentation Foundation (WPF) applications by using Microsoft .NET Framework 4.
Updates to the applications and to third-party control files are available. Updates to the applications have dependencies upon updates to the third-party control files. An update script is run at logon that allows only a single command to be executed.
You need to package the application updates and updates to the third party controls to ensure that they are successfully installed.
What should you do?

A. Package application updates as a single installer. Package third-party control files as a merge module.
B. Package application updates as a single installer. Package third-party control files as a
separate installer.
C. Prepare the installers for individual application updates and include the third-party control files as a merge module.
D. Prepare the installers for individual application updates and include the third-party control files as individual files.

Question 5

You are designing a Windows application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010.
The business logic layer of the application is implemented by using Windows Communication Foundation (WCF).
You create a duplex bidirectional WCF service that contains a single operation. The service operation sends the result back to the client application by using a two-way callback operation.
You plan to design a service interaction strategy.
You need to ensure that deadlocks are prevented.
What should you do?

A. Configure the ServiceBehaviorAttribute attribute to use the Reentrant or Multiple concurrency mode in the service class.
B. Configure the ServiceBehaviorAttribute attribute to use the Synchronization context in the service class.
C. Configure the CallbackBehaviorAttribute attribute to use the Synchronization context in the callback class.
D. Configure the CallbackBehaviorAttribute attribute to use the Reentrant or Multiple
concurrency mode in the callback class.

Solutions: