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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 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 06?

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

Question 2

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 B
D. Option C

Question 3

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

Question 4

You are creating a client application by using Microsoft .NET Framework 3.5. The client application uses a Windows Communication Foundation service.
To log the called service proxy methods and their parameters, you implement custom endpoint behavior in the following class.
Class ParametersLoggerBehavior
Implements lEndpointBehavior End Class
You also create the following class for the custom behavior.
Class LoggerElement
Inherits BehaviorExtensionElement End Class
You add the following configuration code fragment to the application configuration file. (Line numbers are included for reference only.)

You need to ensure that the endpoint uses the custom behavior. Which configuration settings should you insert at line 03?

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

Question 5

You have created a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
The existing service interface is named IMyService, and contains the following code segment.

You create a new service named IMyServiceVI that contains an operation named DoSomethingElse.
You need to ensure that existing client applications are still able to access the IMyService.DoSomething method without modifying client code.
Which code segment should you use?

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

Solutions: