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Microsoft 70-518 Exam Syllabus Topics:

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

Question 1

You are modifying an existing Windows Presentation Foundation (WPF) application that uses .NET Framework 4. The WPF application uses a wizard to capture data and insert the data into a database. The database includes one parent table and many child tables.
Inserting captured data in the database locks many database tables and delays application access.
You have the following requirements:
-
Reduce delays when saving datA.
--
Ensure that other application users are not blocked from reading datA. Ensure that captured data is available only after all child tables are updated.
You need to recommend an approach for inserting captured data into the database.
What should you recommend?

A. Insert captured data by using a single transaction as the user completes each wizard page.
B. Insert captured data by using optimistic concurrency as the user completes each wizard page.
C. Insert captured data by using non-transactional operations when the user completes the wizard.
D. Insert all captured data in a single transaction when the user completes the wizard.

Question 2

You are designing an application by using Windows Presentation Foundation (WPF) and Microsoft .NET Framework 4.
The application retrieves customer data from an enterprise resource planning (ERP) system.
You need to ensure that the following requirements are met: - Customer data is retrieved only once.
- Customer data is available on multiple forms within the application.
- Forms can implement Two-Way binding to the customer datA.
What should you do?

A. Design a static class for the data that implements the IObservable interface. Subscribe to the static class from each of the forms that use the datA.
B. Store the results of the query in a local XML file. Bind all forms to an XMLDataAdapter object that references the local XML file.
C. Store the results of the query in a static DataTable object that is used by all the forms.
D. Design a static class for the data that implements the INotifyPropertyChanged interface. Raise the PropertyChanged event to notify the forms when data is changed.

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

Question 4

You are developing a Windows application by using Microsoft .NET Framework 4, Microsoft Visual Studio 2010, and Microsoft SQL Server 2008.
New features that require changes to be made to the database schema are added to the application every week.
You need to ensure that the changes made to the database schema do not require the application to be recompiled.
Which two actions should you perform? (Each correct answer presents part of the solution.
Choose two.)

A. Build a conceptual model and use it to access data from the business entities.
B. Modify the conceptual schema xml file when the schema changes occur.
C. Build a storage model and use it to access data from the business entities.
D. Modify the xml mapping file when the schema changes occur.

Question 5

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

Solutions: