Microsoft 070-518 Exam : PRO: Design & Develop Wndws Apps Using MS .NET Framework 4

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Microsoft 070-518 Exam Syllabus Topics:

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

1. You are designing a Windows Presentation Foundation (WPF) application.
The WPF application must run against either Microsoft SQL Server 2008 or a third-party
database system without duplicating data access logiC.
You need to recommend a data access technology.
What should you recommend?

A) ADO.NET using DataSet objects and SqlDataReader objects
B) ADO.NET using DataSet objects and SqIDataAdapter objects
C) LINQ to SQL
D) LINQ to Entities

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

3. You are designing a Windows Presentation Foundation (WPF) application.
The application calls methods that perform long-running computational tasks.
You need to recommend an approach for ensuring that the application remains responsive
while the tasks are executing What are two possible ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.)

A) Run the user interface from a new multi-threaded apartment (MTA) thread.
B) Use asynchronous method calls from the user interface thread.
C) Use synchronous method calls from a thread other than the thread on which the user interface runs.
D) Use synchronous method calls from the user interface thread.

4. You are designing a Windows Presentation Foundation (WPF) application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010.
The application will consist of a user interface (UI) tier and a middle tier. The middle tier will be implemented by using Windows Communication Foundation (WCF).
Each method in the middle tier will contain the following catch block.
Catch(ArgumentNullExceptione)
{
throw e;
}
When testing the application, you discover that all ArgumentNullExceptions exceptions that occur in the middle tier do not contain accurate stack trace information.
You need to design the exception handling strategy for the application.
What should you do?

A) Create an ArgumentNullException handler in the UI tier.
B) Remove the exception parameter from the ArgumentNullException handler.
C) Use a DispatcherUnhandledExceptionEvent handler in the middle tier.
D) Use a DispatcherUnhandledExceptionEvent handler in the UI tier.

5. You are designing a Windows Presentation Foundation (WPF) application by using Microsoft .NET Framework 4, Microsoft Visual Studio 2010, and Microsoft SQL Server 2008.
You have designed the application to use the ADO.NET Entity Framework for the Data Access Layer (DAL).
You have designed the user interface (UI) of the application by using the Model-View-ViewModel (M-V-VM) pattern.
The middle tier of the application is designed by using Windows Communication Foundation (WCF).
The database schema changes often. The DAL entity objects are required to be referenced from the middle tier and the ViewModel layer of the UI.
You need to ensure that the DAL entity objects are updated when the database schema changes.
What should you do?

A) Create persistent-aware objects.
B) Create persistent-ignorant objects.
C) Create an observable collection of objects.
D) Create typed DataSets.

Solutions: