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Microsoft 070-503 Exam Syllabus Topics:

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

Question 1

You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You create the following service contract.

You need to create an endpoint for the service contract in the application configuration file.
Which endpoint should you use?

A. <endpointaddress="" binding="basicHttpBinding" _ contract="MyServices.MyService"/>
B. <endpointaddress="" binding="basicHttpBinding" _ contract="MyServices.ServiceConfig"/>
C. <endpointaddress="" binding="basicHttpBinding" _ contract="ServiceConfig"/>
D. <endpointaddress="" binding="basicHttpBinding" _ contract="HyService"/>

Question 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);

Question 3

You are creating a remote database management application by using Microsoft Windows Forms and Microsoft .NET Framework 3.5. You use the Windows Communication Foundation model to create the application.
You write the following code segment. (Line numbers are included for reference only.)
01 Public Class ()ueryAnalyzerService 02 Implements IQueryAnalyzerService, IDisposable
04 Public Sub Open() 05 ...
06 End Sub 07 Public Sub ExecuteSql(ByVal sql As String) 08...
09 End Sub
10 Public Sub Close()
11 ...
12 End Sub
13 Public Sub Dispose() Implements IDisposable.Dispose 14...
15 End Sub 16...
17 End Class
You need to ensure that each time a client application calls the Open0 method, a new service instance is created. Which code segment should you insert at line 03?

A. <OperationBehavior(TransactionScopeRequired:=True)> _
B. <OperationBehavior( _ ReleaselnstanceMode:=ReleaselnstanceMode.None)> _
C. <OperationBehavior(_ ReleaselnstanceMode:=ReleaselnstanceMode.BeforeCall>
D. <OperationBehavior(AutoDisposeParameters:=True)> _

Question 4

You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You need to ensure that the callback channel between the service and the client application is available for the service to send a status message.
Which code segment should you use?

A. Option C
B. Option D
C. Option B
D. Option A

Question 5

You create a Windows Communication Foundation (WCF) application by using Microsoft Visual Studio 2008 and the .NET Framework 3.5. You create a WCF service by using the following code segment. (Line numbers are included for reference only.)
01 [ServiceContract]
02 public interface IContosoService
03 {
04 [OperationContract]
06 void ProcessTransaction();
07 }
09 public class ContosoService : IContosoService
10 {
11 public void ProcessTransaction() {
12 try {
13 BusinessComponent.ProcessTransaction();
14 }
15 catch (ApplicationException appEx) {
17 }
18 }
19 }
The BusinessComponent.ProcessTransaction method will only throw exceptions from the ApplicationException type. You plan to debug the WCF service. You need to ensure that the WCF service meets the following requirements:
Detailed exception information is provided to the client application. Subsequent calls can be issued to the service by using the same proxy intance after an exception is caught in the client application. What should you do?

A. Add the following code segment at line 05. [FaultContract(typeof(ApplicationException))]
Add the following code segment at line 16. throw new
FaultException<ApplicationException>(appEx);
B. Add the following code segment at line 08.
[ServiceBehavior(IncludeExceptionDetailInFaults=true)] Add the following code segment at
line 16. throw appEx;
C. Add the following code segment at line 05. [FaultContract(typeof(ApplicationException))]
Add the following
code segment at line 16. throw appEx;
D. Add the following code segment at line 08.
[ServiceBehavior(IncludeExceptionDetailInFaults=true)] Add the following code segment at
line 16. throw new FaultException<ApplicationException>(appEx);

Solutions: