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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 and a Windows Communication Framework (WCF) Web service. The WPF application will be deployed to users' 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 HTTPStraffic.
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) Configure a WCF endpoint to use the NetTcpBinding binding.
C) Configure a WCF endpoint to use the basicHttpBinding binding.
D) Set up an SSL certificate on the server.

2. You design a Windows Presentation Foundation (WPF) application that interacts with a Windows Communication Foundation (WCF) Web service. The WCF Web service throws exceptions of type Exception.
The WPF application crashes when the WCF Web service throws an exception.
You need to recommend an error-handling strategy that allows users to submit updated data to the WCF Web service without restarting the WPF application.
What should you recommend?

A) Modify the Web service to throw exceptions of type InvalidOperationException
B) Modify the Web service to throw custom exceptions derived from the ApplicationException class.
C) Modify the Web service to throw exceptions of type FaultExceptton.
D) Modify the Web service to throw custom exceptions derived from the Exception class.

3. You are designing a Windows application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010.
You need to use a replacement culture for the application at runtime. You also need to ensure that the information in the custom culture will be available to the application.
Which two tasks should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Call the Save method of the CultureAndRegionlnfoBuilder class instance.
B) Restart the process that is displaying the user interface.
C) Register the replacement culture by using the CultureInfo class.
D) Register the replacement culture by using the CultureAndRegionlnfoBuilder class.

4. You are designing a Windows Presentation Foundation (WPF) application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010.
During testing of the application, you identify several bottlenecks by using Windows Task Manager and Windows Performance Monitor.
You need to recommend a system test strategy that will meet the following requirements:
- Identify major application workloads.
- Identify the functions of the application that are most impacted.
Which testing strategy should you recommend?

A) Stability testing
B) Security testing
C) Usability testing
D) Scalability testing

5. You are developing an application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010.
You plan to use Microsoft Sync Framework to synchronize the data stored in a local Microsoft SQL Server Compact Edition database with the data stored in a centralized SQL Server 2008 database.
Four columns are added to each table involved in the synchronization process to track changes to the database. You add the following four columns to the database table.

Users report that the synchronization process is not always successful. You need to ensure that the application synchronizes data successfully. What should you do?

A) Option A
B) Option B
C) Option D
D) Option C

Solutions: