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Microsoft PRO: Design & Develop Wndws Apps Using MS .NET Framework 4 Sample Questions:
1. You are designing a complex and critical Windows desktop application by using Microsoft
.NET Framework 4 and Microsoft Visual Studio 2010.
You plan to implement a logging strategy for the application.
You need to record all unexpected errors that occur in the application.
What should you do?
A) Subscribe to the unhandled exception event handler for the AppDomain object.
Record relevant application-specific information to an external log.
B) Subscribe to the unhandled exception event handler for the application's dispatcher on the main application thread.
Record relevant application-specific information to an external log.
C) Create a global WIN 32 unhandled exception filter.
Record relevant application-specific information to an external log from within the filter.
D) Create a generic catch (Exception e) block in the Main method of the application.
Record relevant application-specific information to a log in the Main method.
2. You are designing a .NET Framework 4 solution that contains a Windows Presentation Foundation (WPF) application and a Windows Communication Framework (WCF) Web service.
The WPF application will be deployed to users1 desktops located in the company's corporate network. The WCF Web service will be deployed to a Web farm located in the company's perimeter network. The firewall between the perimeter network and the Internet allows only HTTP and HTTPS traffiC.
You need to recommend an approach for minimizing the attack surface of the WCF Web service.
What should you recommend?
A) Add a load-balancing router to the Web farm configuration.
B) Set up an SSL certificate on the server.
C) Configure a WCF endpoint to use the basicHttpBinding binding.
D) Configure a WCF endpoint to use the NetTcpBinding binding.
3. You are developing an application by using Microsoft .NET Framework 4 and Microsoft
Visual Studio 2010.
The application contains a grid that displays customer data stored in a database table.
Users report that the grid takes a long time to display.
You plan to implement data caching to improve loading time for the grid.
You need to ensure that the cached data expires when the customer data is updated.
What should you do?
A) Use the System.Runtime.Caching.SqlChangeMonitor class.
B) Use the System.WeB.Caching.CacheDependency class.
C) Use the ADO.NET Entity Framework.
D) Use a static variable to store the Grid object.
4. You are designing an n-tier .NET Framework 4 solution that includes a Windows
Presentation Foundation (WPF) application.
The WPF application will access data stored in a Microsoft SQL Server 2008 database by
using the solution's data access tier.
The data access tier must also be available from within Microsoft Excel 2010. You need to recommend a technology for accessing the data access tier. Which technology should you recommend?
A) WCF Data Services
B) LINQ to SQL
C) LINQ to XML
D) ADO.NET Entity Framework 4
5. You are designing a Windows Forms application. The application connects to a Microsoft SQL Server 2008 database.
You need to recommend an approach for retrieving and logging all informational messages and error messages reported by the database.
What should you recommend?
A) Retrieve informational messages and error messages in a SqlException object.
B) Retrieve informational messages in a SqlException object. Retrieve error messages by creating a handler for the InfoMessage event.
C) Retrieve informational messages and error messages by creating a handler for the InfoMessage event.
D) Retrieve informational messages by creating a handler for the InfoMessage event. Retrieve error messages in a SqlException object.
Solutions:
Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: B | Question # 5 Answer: D |