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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 service by using Microsoft .NET Framework 3.5.
You need to insert an additional header in a response message.
What should you do?

A) Implement the BeforeSendRequest method of the IClientMessagelnspector interface.
B) Implement the AfterReceiveRequest method of the IDispatchMessagelnspector interface.
C) Implement the BeforeSendReply method of the IDispatchMessagelnspector interface.
D) Implement the AfterCall method of the IParameterlnspector interface.

2. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
The service contains the following code segment
[ServiceContract]
public interface IMyService
{
[OperationContract(IsOneWay=true, ProtectionLevel=ProtectionLevel.None)]
[TransactionFlow(TransactionFlowOption.Allowed)]
void DoSomething();
}
You need to ensure that the DoSomething operation can participate in transactions.
Which code segment should you use to replace the existing operation contract?

A) [OperationContract(ProtectionLevel= ProtectionLevel.EncryptAndSign)]
[TransactionFlow(TransactionFlowOption.NotAllowed)]
void DoSomething();
B) [OperationContract(IsOneWay=true,
ProtectionLevel=ProtectionLevel.EncryptAndSign)]
[TransactionFlow(TransactionFlowOption.Allowed)]
void DoSomething();
C) [OperationContract(IsOneWay=true, ProtectionLevel=ProtectionLevel.Sign)]
[TransactionFlow(TransactionFlowOption.Mandatorv)]
void DoSomething();
D) [OperationContract(ProtectionLevel=ProtectionLevel.None)]
[TransactionFlow(TransactionFlowOption.Allowed)]
void DoSomething();

3. You are creating a client application that will call a Windows Communication Foundation service. The service was created by using Microsoft .NET Framework
3.5. You write the following code segment.

You plan to share the validation logic between the client application and the WCF service.
You need to generate a client-side service proxy that includes the validation logic.
Which four tasks should you perform? (Each correct answer presents part of the solution. Choose four.)

A) Create a Class Library project for the DataContract classes.
B) In the Client project, use the Add Reference dialog box to add a project reference to the Service project.
C) In the Client project, use the Add Web Reference dialog box to reference the service.
D) In the Client project, use the Add Service Reference dialog box to reference the service.
E) In the Client project, add a reference to the Class Library project.
F) In the Service project, add a reference to the Class Library project.

4. You are creating a Windows Communication Foundation service by using Microsoft .NET
Framework 3.5. The service will be hosted in a Windows Service environment.
You need to create a Windows Service class that instantiates a service host.
Which code segment should you use?

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

5. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You configure a binding to enable streaming.
You need to ensure that the client application is able to stream large XML files to the WCF service.
Which operation contract should you create?

A) <OperationContractQ> _ Sub UploadFile(ByVal xmlData As Stream)
B) <OperationContractQ> _ Sub UploadFile(ByVal xmlData As ByteQ)
C) <OperationContractQ> _ Sub UploadFile(ByVal xmlData As XmlWriter)
D) <OperationContractQ> _ Sub UploadFile(ByVal xmlData As StreamWriter)

Solutions: