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Microsoft UPG:Transition MCPD.NET Frmwrk 3.5 Web Dev to 4 Web Dev Sample Questions:

1. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Communication Foundation (WCF) Data Services service. The service connects to a Microsoft SQL Server 2008 database. The service is hosted by an Internet Information Services (IIS) 6.0 server. You need to ensure that applications authenticate against user information stored in the database before the application is allowed to use the service. Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Configure IIS to allow anonymous access.
B) Configure IIS to require Windows authentication.
C) Modify the Data Services service to use a Microsoft ASP.NET membership provider.
D) Configure IIS to require basic authentication.
E) Enable the WCF Authentication Service.

2. You are designing an ASP.NET Web application for online image editing. Users can upload images to the
Web application and edit those images by using utilities provided by the application. Some utilities are
processor intensive and should be offloaded to a Graphics Processing Unit (GPU). Other utilities require
the use of proprietary algorithms that must be performed on the server.
You need to design a solution for minimizing bandwidth usage and Web server response times during
image processing, while providing a responsive application.
Which two approaches should you recommend? (Each correct answer presents part of the solution.
Choose two.)

A) Perform client-side image processing by using ASP.NET AJAX.
B) Perform client-side image processing by using Microsoft Silverlight.
C) Perform server-side image processing on the Web server.
D) Perform server-side image processing on a dedicated server.

3. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The
application connects to a Microsoft SQL Server database. The application has two DataTable objects that
reference the Customers and Orders tables in the database. The application contains the following code
segment. (Line numbers are included for reference only.
01DataSet customerOrders = new DataSet();
02customerOrders.EnforceConstraints = true;
03ForeignKeyConstraint ordersFK = new ForeignKeyConstraint("ordersFK",
04customerOrders.Tables["Customers"].Columns["CustomerID"],
05customerOrders.Tables["Orders"].Columns["CustomerID"]);
06
07customerOrders.Tables["Orders"].Constraints.Add(ordersFK);
You need to ensure that an exception is thrown when you attempt to delete Customer records that have
related Order records. Which code segment should you insert at line 06?

A) ordersFK.DeleteRule = Rule.Cascade;
B) ordersFK.DeleteRule = Rule.SetNull;
C) ordersFK.DeleteRule = Rule.SetDefault;
D) ordersFK.DeleteRule = Rule.None;

4. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Communication Foundation (WCF) Data Services service. The service connects to a Microsoft SQL Server 2008 database. The service is hosted by an Internet Information Services (IIS) 6.0 server. You need to ensure that applications authenticate against user information stored in the database before the application is allowed to use the service. Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Configure IIS to allow anonymous access.
B) Configure IIS to require Windows authentication.
C) Modify the Data Services service to use a Microsoft ASP.NET membership provider.
D) Configure IIS to require basic authentication.
E) Enable the WCF Authentication Service.

5. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. You use
the ADO.NET Entity Framework to model your entities.
You use Plain Old CLR Objects (POCO) entities along with snapshot-based change tracking. The code
accesses the POCO entities directly.
You need to ensure that the state manager synchronizes when changes are made to the object graph.
Which ObjectContext method should you call?

A) DetectChanges
B) SaveChanges
C) Refresh
D) ApplyPropertyChanges

Solutions: