You are designing a Windows Presentation Foundation (WPF) application that connects to a data access layer on a server.

You have the following requirements for all security-related exceptions:
Exceptions that occur in the data access layer must be handled in a single exception handler in the WPF application.
Exceptions must pass customized messages back to the WPF application.

You need to recommend an approach for creating new exception classes in the data access layer.

From which class should you inherit?

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?

You are working with a Windows Presentation Foundation (WPF) application that uses .NET Framework 4.

Your team is responsible for making significant changes to the application functionality.

You need to recommend an approach for identifying features that no longer work properly as a result of code changes

Which testing methodology should you recommend?

You are designing a mission-critical Windows Presentation Foundation (WPF) application that uses .NET Framework 4.

You need to recommend an approach for identifying repair and recovery time.

What should you recommend?

You are designing Windows Presentation Foundation (WPF) applications by using Microsoft .NET Framework 4.

You need to maintain a common appearance and behavior across all applications in your company. You also need to ensure that the look and feel of the applications can be modified without recompiling them.

What should you create?

You are designing an application by using Windows Presentation Foundation (WPF) and Microsoft .NET Framework 4.

The application allows users to view product details. Product managers can modify the product details for the products that they manage.

You plan to design the application by using the Model-View-ViewModel (M-V-VM) pattern.

You need to ensure that the product details can be viewed by all users and modified only by product managers.

What should you do?

You are designing a Windows Forms application.

You intend to display graphics on a form in the application by using a third-party Windows Presentation Foundation (WPF) control.

You need to recommend a control for hosting the third-party WPF control.

What should you recommend?

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?

You are designing a Windows Presentation Foundation (WPF) application.

The WPF application must always display real-time status information while the user is working in the WPF application.

You need to recommend a container for displaying the status information.

Which container should you recommend?

You are designing an application by using Windows Presentation Foundation (WPF) and Microsoft .NET Framework 4.
The application will run on Windows 7-based kiosks that are located indoors and outdoors. The kiosk displays have a photo sensor that will update the application with the current ambient luminosity.

You need to ensure that the user interface (UI) of the application dynamically changes the application theme based on the ambient luminosity.

What should you use?