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Microsoft 070-518 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Design Windows Applications | - User interface design principles
|
| Topic 2: Deployment and Maintenance | - Application lifecycle management
|
| Topic 3: Data Access and Storage | - Database integration
|
| Topic 4: Develop Windows Applications | - Application logic and services
|
Microsoft PRO: Design & Develop Wndws Apps Using MS .NET Framework 4 Sample Questions:
You are designing an n-tier Windows application by using Microsoft .NET Framework 4, Microsoft Visual Studio 2010, and Microsoft SQL Server 2008.
The application will replace an existing client/server application. The existing application was created by using Microsoft Visual Basic 6.0 and consists of a series of COM components that access a SQL Server database.
You plan to move the existing COM components into a Windows Communication Foundation (WCF) tier.
You need to ensure that the COM components can be replaced without impacting the existing user interface (UI) tier.
You also need to ensure that the COM components can be replaced separately.
What should you do?
- A. Create a common assembly on the WCF tier of the new application to interface with the COM components.
- B. Use .NET COM Interop on the client tier to interact directly with the COM components until they are replaced by the managed code.
- C. Create a common assembly on the UI tier of the new application to interface with the COM components.
- D. Convert the Visual Basic 6.0 source code to managed code by using the Visual Studio converters. Use these code components on the client/server application until they are replaced individually with the new permanent managed code functionality.
Correct Answer: A 🗳️
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 separate installer.
- B. Package application updates as a single installer. Package third-party control files as a merge module.
- 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.
Correct Answer: B 🗳️
You are designing an n-tier Windows solution that includes a data entry application. The solution uses Microsoft .NET Framework 4 and Microsoft SQL Server 2008.
The data entry application sends customer orders to a middle-tier server. The middle-tier server sends orders to a set of services that perform operations on the orders. Business rules determine which services to call and whether to run them in sequence or in parallel. The business rules are complex and data dependent.
The Windows solution must meet the following requirements:
- Optimize application performance by using dynamic load balancing. - Allow for business rules to be changed at runtime.
You need to recommend an approach that meets the requirements.
What should you recommend?
- A. SQL Server stored procedures
- B. Private message queues with a controller class on the middle-tier server
- C. A routed service that uses Windows Communication Foundation (WCF) messaging
- D. A Windows Communication Foundation (WCF) service for each operation, with a controller class on the middle-tier server
Correct Answer: C 🗳️
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 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. - B. 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. - 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 the DoWork handler of the worker thread and test a shared status value.
Use a break statement to terminate the Parallel.ForEach loop.
Correct Answer: A 🗳️
You are designing an application by using Windows Presentation Foundation (WPF) and Microsoft .NET Framework 4.
You create a control named HelpViewer to view the Help documentation of the application. The HelpViewer control must be available to all windows in the application.
You need to ensure that the application allows users to perform the following tasks:
- Bookmark their location in the documentation and return to the bookmark from any
window.
- Hide the HelpViewer control.
- Dock the HelpViewer control.
You create a main window as a base class.
What should you do next?
- A. Add the HelpViewer control to a DockPanel control at runtime.
Inherit all other window classes in the application from the main window base class. - B. Add the HelpViewer control and a Frame control to a StackPanel control to the window at runtime.
Create all other windows in the application as pages and host them in the Frame control. - C. Add the HelpViewer control to the window at runtime.
Inherit all other window classes in the application from the main window base class. - D. Add the HelpViewer control and a Frame control to a DockPanel control to the window at runtime.
Create all other windows in the application as pages and host them in the Frame control.
Correct Answer: D 🗳️
