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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 an application. The application connects to a Microsoft SQL Server 2008 database. The database includes a table that contains information about all the employees. The database table has a field named EmployeeType that identifies whether an employee is a Contractor or a Permanent employee. You declare the Employee entity base type. You create a new Association entity named Contractor that inherits the Employee base type. You need to ensure that all Contractors are bound to the Contractor class. What should you do?

A) Use the Entity Data Model Designer to set up a referential constraint between the primary key of the Contractor class and EmployeeType.
B) Modify the .edmx file to include the following line of code. <Condition ColumnName="EmployeeType" Value="Contractor" />
C) Modify the .edmx file to include the following line of code. <NavigationProperty Name="Type" FromRole="EmployeeType" ToRole="Contractor" />
D) Use the Entity Data Model Designer to set up an association between the Contractor class and EmployeeType.

2. A Windows Communication Foundation (WCF) service has a callback contract.
You are developing a client application that will call this service.
You must ensure that the client application can interact with the WCF service.
What should you do?

A) On the OperationContractAttribute, set the ReplyAction property value to the endpoint address of the client.
B) On the OperationContractAttribute, set the AsyncPattern property value to True.
C) On the client, use GetCallbackChannel<T>.
D) On the client, create a proxy derived from DuplexClientBase<TChannel>.

3. You are developing a Windows Communication Foundation (WCF) service that reads messages from a public non-transactional MSMQ queue. You need to configure the service to read messages from the failed-delivery queue. Which URI should you specify in the endpoint configuration settings of the service?

A) net.msmq://localhost/msmq$;FailedMessages
B) net.msmq://localhost/system$;DeadXact
C) net.msmq://localhost/msmq$;DeadLetter
D) net.msmq://localhost/system$;DeadLetter

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

5. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The application connects to a Microsoft SQL Server 2008 database. You create classes by using LINQ to SQL based on the records shown in the exhibit. (Click the Exhibit button.) You need to create a LINQ query to retrieve a list of objects that contains the OrderID and CustomerID properties. You need to retrieve the total price amount of each Order record. What are two possible ways to achieve this goal (Each correct answer presents a complete solution. Choose two.)

A) from order in dataContext.Orders group order by order.OrderID into g join details in dataContext.Order_Details on g.Key equals details. OrderID select new { OrderID = details.OrderID, CustomerID = details.Order.CustomerID, TotalAmount = details.UnitPrice * details.Quantity }
B) dataContext.Orders.GroupJoin(dataContext.Order_Details, o => o.OrderID, d => d.OrderID, (ord, dts) => new { OrderID = ord.OrderID, CustomerID = ord.CustomerID, TotalAmount = dts.Sum(od => od. UnitPrice * od.Quantity) } )
C) dataContext.Order_Details.GroupJoin(dataContext.Orders, d => d.OrderID, o => o.OrderID, (dts, ord) => new { OrderID = dts.OrderID, CustomerID = dts.Order.CustomerID, TotalAmount = dts.UnitPrice * dts.Quantity } )
D) from details in dataContext.Order_Details group details by details.OrderID into g join order in dataContext.Orders on g.Key equals order.OrderID select new { OrderID = order.OrderID, CustomerID = order.CustomerID, TotalAmount = g.Sum(od => od.UnitPrice * od.Quantity) }

Solutions: