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Microsoft PRO: Design & Develop Wndws Apps Using MS .NET Framework 4 Sample Questions:
1. You are designing a Windows Forms application that allows users to search a product catalog and place orders.
You have the following requirements:
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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) Use a BackgroundWorker component to perform the search.
B) Implement the search as a Windows Communication Foundation (WCF) service by usingthe AsyncPattern property of the OperationContractattribute.
C) Implement the search as a duplex service.
D) Execute the search on the user interface thread. Provide a Cancel button to cancel the search.
2. You are designing an n-tier solution that connects to a Microsoft SQL Server 2008 database.
You plan to deploy the database to development machines and to a staging database server from within Microsoft Visual Studio 2010.
You plan to set up separate build configurations for development and staging. You also plan to deploy to multiple production database servers managed by an outside vendor.
You must not allow the outside vendor to access the Visual Studio projects.
You need to recommend an approach for configuring and deploying the production database servers.
Which two actions should you recommend? (Each correct answer presents part of the solution. Choose two.)
A) Use SQL Server 2008 Management Studio to deploy the production databases.
B) Use a SQL Server 2008 Database Project.
C) Use a Visual C# SQL CLR Database Project.
D) Use VSDBCMD to deploy the production databases.
3. You are designing an application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010.
The application is used mostly in a disconnected scenario. The application requires offline data from a Microsoft SQL Server 2008 database. When the application connects to the network, data will be modified and synchronized.
You need to ensure that the application does not access the database server directly to synchronize data when online.
Which technology should you use?
A) Remote Data Access
B) ADO.NET Sync Services
C) SQL Server Merge Replication
D) WCF Data Service
4. You are designing a new feature for an existing Windows Forms application by using Microsoft .NET Framework 4.
The application contains multiple forms that are loaded into a parent Multiple Document Interface (MDI) form. Your company policy does not allow the use of third-party controls.
You need to ensure that the new feature meets the following requirements: - It provides a three-dimensional scale model.
- It allows users to change the colors of the model and communicates the color
selections back to the application. - It allows the model to scale, based on the user's client computer display resolution. - It is a child form in the MDI application.
What should you do?
A) Design the new feature in the existing Windows Forms application as a Windows form.
Add the form as a child form to the MDI window.
B) Design the new feature by using a Windows Presentation Foundation (WPF) user control.
Use the ElementHost class to host the WPF user control in the existing Windows Forms application.
C) Design the new feature in a new application by using Windows Presentation Foundation (WPF).
Invoke the new WPF application from the existing Windows Forms application.
D) Design the new feature in a new Windows Presentation Foundation (WPF) application.
Host the existing application inside the new WPF application by using the WindowsFormsHost class
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.ApplicationException
B) System.AccessViolationException
C) System.Security.SecurityException
D) System.InvalidOperationException
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A,C | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: C |



