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Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:

1. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You create a class named Customer for the WCF service. The Customer class has properties named Id, Name, and BalanceDue.
You plan to convert the Customer class into a data contract.
You need to ensure that only the Id property and the Name property are passed to the client applications.
Which code segment should you use?

A) Option A
B) Option D
C) Option C
D) Option B

2. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You create the following service contract.
[ServiceContract]
public interface IMath
{
[OperationContract]
int Add(int num1, int num2);
}
You need to add an operation contract to perform the Add operation asynchronously. Which operation contract should you use?

A) [OperationContract]int BeginAdd(int num1, int num2, AsyncCallback cb, object state);IAsyncResult EndAdd ();
B) [OperationContract(AsyncPattern=true)]IAsyncResult BeginAdd(int num1, int num2,
AsyncCallback cb,
object state);int EndAdd(IAsyncResult res);
C) [OperationContract(AsyncPattern=true)]IAsyncResult BeginAdd(int num1, int num2);int EndAdd (IAsyncResult res);
D) [OperationContract]IAsyncResult BeginAdd(int num1, int num2);[OperationContract]int EndAdd (IAsyncResult res);

3. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment.

You need to ensure that the service commits the transaction only when the session is closed.
Which code segment should you use to implement the service?

A) Option A
B) Option D
C) Option C
D) Option B

4. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service contains the following code segment.

You need to ensure that the service instance is recycled when the transaction is complete.
Which line of code should you insert at line 07?

A) [ServiceBehavior(ReleaseServiceInstanceOnTransactionComplete= true. ConcurrencyMode=ConcurrencyMode.Single)]
B) [ServiceBehavior(ReleaseServiceInstanceOnTransactionComplete= true. ConcurrencyMode=ConcurrencyMode.Multiple, TransactionAutoCompleteOnSessionClose=true)]
C) [ServiceBehavior(ReleaseServiceInstanceOnTransactionComplete= true. ConcurrencyMode=ConcurrencyMode.MultipleJ]
D) [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Single, Transact ionAutoCompleteOnSess ionClose=true)]

5. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You need to ensure that data sent in a SOAP header is in the following XML format.

Which code segment should you use?

A) Option A
B) Option D
C) Option C
D) Option B

Solutions: