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

1. You are designing a Windows application by using Microsoft .NET Framework 4.
Remote users have limited network connectivity. Users will not have write permissions to
the local file system.
You plan to design the error logging strategy for the application.
You need to ensure that the application can collect error information. You also need to ensure that the errors can be analyzed from a centralized location.
What should you do?

A) Use the Microsoft Sync Framework.
B) Log the errors to a Web service.
C) Log the errors to the Windows System event log.
D) Use a local log file.

2. 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) 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.
C) Use .NET COM Interop on the client tier to interact directly with the COM components until they are replaced by the managed code.
D) Create a common assembly on the UI tier of the new application to interface with the COM components.

3. 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 a SQL Server 2008 Database Project.
B) Use VSDBCMD to deploy the production databases.
C) Use a Visual Basic SQL CLR Database Project.
D) Use SQL Server 2008 Management Studio to deploy the production databases.

4. You are designing a Windows Presentation Foundation (WPF) data entry application. The application uses data binding to bind controls in the user interface (UI) to business objects. The UI uses validation rules for each input control.
The data validation rules change based on the state of the business object.
You need to recommend a validation strategy that will allow changes to the validation rules without changes to the UI code.
What should you recommend?

A) Set the ValidationStep attribute on ValidationRule elements to RawProposedValue.
B) Set the ValidationStep attribute on ValidationRule elements to CommittedValue.
C) Implement the IDataErrorInfo interface in the business objects and replace all ValidationRule elements with ExceptionValidationRule elements.
D) Implement the IDataErrorInfo interface in the business objects and replace all ValidationRule elements with DataErrorValidationRule elements.

5. You are developing a Windows application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010.
The application will consume a Windows Communication Foundation (WCF) service. The WCF service will provide data to the application. You plan to use the ADO.NET Entity Framework to create a data model that will be used by the application.
Another development team makes changes to the WCF service data contract.
You need to ensure that changes made to the WCF service data contract do not require the application to be recompiled.
What should you do?

A) Create a storage model based on the schema of the existing WCF service. Update the mapping file when the new version of the WCF service is available.
B) Create a conceptual model and a storage model based on the existing version of the WCF service.
C) Create a conceptual model based on the business model. Use a class generated from the conceptual model for programming. Update the mapping file when the new version of the WCF service is available.
D) Create a storage model based on the business model. Use a class generated from the storage model for programming,

Solutions: