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

1. 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) ADO.NET Entity Framework 4
B) WCF Data Services
C) LINQ to XML
D) LINQ to SQL

2. You are designing a Windows Presentation Foundation (WPF) application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010.
You need to ensure that the following requirements are met:
All UI elements are labeled.
All property values are exposed.
Keyboard navigation contains tab stops for all controls.
The application functions on high contrast displays.
Which testing strategy should you recommend?

A) Usability testing
B) Stability testing
C) Stress testing
D) Accessibility testing
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3. You are designing an application by using Microsoft .NET Framework 4, Microsoft Visual Studio 2010, and Microsoft SQL Server 2008.
The application will be used by a sales team to enter sales orders and update customer information.
You need to ensure that the application meets the following requirements:
- Allows users to enter sales orders while their computers are disconnected from the
network - Uploads sales orders to the server database when connected to the network - Compiles against the .NET Framework 4 client profile
What should you use?

A) WCF services
B) XML files
C) Microsoft Sync Framework
D) TheSystem.WeB.Caching namespace classes

4. 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.

5. You are designing an application by using Windows Presentation Foundation (WPF), Microsoft .NET Framework 4, and Microsoft SQL Server 2008.
The application will contain several forms that include custom data validators.
You need to ensure that data is validated before the database updates occur. You also need to ensure that the validation logic can be reused.
How should you design the validation?

A) Subscribe to the MouseLeave event for all user interface (UI) components of the application.
Perform data validation in the event handler and alert users when a data entry error occurs.
B) Implement the INotifyPropertyChanged interface in the data class of the application.
C) Implement the IDataErrorlnfo interface in the data class of the application.
D) Subscribe to the TextChanged event for all user interface (UI) components of the application.
Perform data validation in the event handler and alert users when a data entry error occurs.

Solutions: