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Microsoft PRO: Design & Develop Wndws Apps Using MS .NET Framework 4 Sample Questions:

1. 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:
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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 Excel 2010 COM library.
D) Embed the type information from the Excel 2010 COM library.

2. You are designing a Windows Presentation Foundation (WPF) application.
You have the following requirements:
- Run client-side validation tests on a large result set from a Microsoft SQL Server 2008 database. - Validate each row of data without storing the entire result set in memory.
You need to recommend a data access technology.
What should you recommend?

A) LINQ to SQL using the ElementAt() method
B) ADO.NET using SqIDataReader objects
C) ADO.NET using SqIDataAdapter objects and DataSet objects
D) LINQ to Entities using the ElementAt() method

3. You are designing a Windows Presentation Foundation (WPF) application that uses .NET Framework 4. The application uses a subset of the functionality provided by a third-party COM component that will be replaced later.
The application developers must have access to only the required subset of functionality.
You need to recommend a solution that meets the requirements.
Which two actions should you recommend? (Each correct answer presents part of the solution. Choose two.)

A) In the adapter assembly, use an embedded interop reference.
B) Create an adapter assembly that exposes the entire functionality of the COM component.
C) Create an adapter assembly that exposes the required subset of the COM component functionality.
D) In the adapter assembly, use a standard interop reference.

4. 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) Acceptance testing
C) Functional testing
D) Usability testing

5. You are designing a Windows Forms application that allows users to search a product catalog and place orders.
You have the following requirements:
--
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) Implement the search as a Windows Communication Foundation (WCF) service by usingthe AsyncPattern property of the OperationContractattribute.
B) Implement the search as a duplex service.
C) Execute the search on the user interface thread. Provide a Cancel button to cancel the search.
D) Use a BackgroundWorker component to perform the search.

Solutions: