You are working with an existing Windows Presentation Foundation (WPF) application in
Microsoft Visual Studio 2010. The WPF application requires approximately one minute to
initialize before displaying its main window. You have the following requirements: •
Immediately display a splash screen when the WPF application launches. • Allow for the
display of an initialization progress bar on the splash screen. • Close the splash screen
when the WPF application is ready to display the main window. You need to recommend an
approach for meeting the requirements. What should you recommend?

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 Presentation Foundation (WPF) application. Business entity
objects are bound to controls on each data entry window. The WPF application must meet
the following requirements: • Display a watermark in each empty text box. • Display
watermarks in a lighter color than user entries. The watermark code must be reusable with
other user interface controls. You need to recommend an approach for creating the
watermarks. What should you recommend?

You are designing a Windows application. The application must meet the following
requirements: • Provide three-dimensional views of data. • Display images, text, graphs, and
videos. • Support porting to a browser-based application. You need to recommend a
technology that meets the requirements. Which technology 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 that displays
thumbnail images of photographs. The thumbnails are arranged in rows and columns. The
number of columns must automatically update based on the size of the application window.
You need to recommend a container for displaying all the thumbnail images at the same
size. Which container should you recommend?

Developers required to use part of functionality of COM assembly. You must to design an
interop assembly that expose COM functionality. Choose 2 as part.

Which to possible ways to call operation without blocking of UI thread?

The application includes multiple Windows Workflow Foundation (WF) hosts along with
thousands of instances. The application will continue to execute over extended periods of
time. You need to ensure that the performance of the application does not degrade over
extended periods of time. Which type of testing should you perform on the application?

You are developing a Windows application. The application will process data that is stored
on the user’s computer. You plan to design a data storage strategy. You need to ensure that
the following requirements are met: • Local data can be accessed only by the application •
Local data can be encrypted and compressed • Local data can be shared between multiple

users by sending them the data file by email • Users must be able to open the data file
directly from the email message Which local data storage technology should you use?