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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 publish metadata programmatically.
Which two code segments should you use? (Each correct answer presents a complete solution. Choose two.)

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

2. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to publish metadata programmatically.
Which two code segments should you use? (Each correct answer presents a complete solution. Choose two.)

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

3. 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 B
C) Option C
D) Option D

4. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5.
You create an instance of the ServerHost class. You plan to host the WCF service in a Windows service.
You need to link the lifetime of the WCF service to the lifetime of the Windows service.
Which three actions should you perform on the instance of the ServerHost class? (Each correct answer presents part of the solution. Choose three.)

A) Override the GetLifetimeService method.
B) Override the InitializeLifetimeService method.
C) Override the OnStart method.
D) Override the RequestAdditionalTime method.
E) Subscribe to the Faulted event.
F) Override the OnStop method.

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

Solutions: