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

2. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The metadata for the service is available at http://localhost:8080/MyService/mex.
The svcutil.exe tool generates the following two files from the metadata:
You need to ensure that the configuration file is merged with an existing app.config file.
Which command should you use?

A) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /config:app.config /mergeconfig
B) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /config:app.config /noconfig
C) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /mergeConfig
D) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /config:app.config

3. You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. The component will return custom business objects. You plan to develop a design strategy that meets the following requirements:
The component can be accessed by the .NET Windows applications and JavaScript-based Web applications. The component can be consumed by the client applications by using the minimum amount of code. The least amount of network bandwidth is consumed. You need to implement the design strategy by using the minimum amount of development effort. What should you do?

A) Develop the component as a Windows Communication Foundation service. Return the business objects as serialized binary objects.
B) Develop the component as a Web service. Return the business objects as strings that contain the values of the properties concatenated and separated by a comma.
C) Develop the component as a Windows Communication Foundation service. Return the business objects as JavaScript Object Notation objects.
D) Develop the component as a Web service. Return the business objects as XML.

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

5. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You want to enable message logging. You add the following code fragment to the service configuration file.
<system.diagnostics> <sources> <source name="System. ServiceModel. Messagel_ogging">
<listeners> odd name="messages"
type="System. Diagnostics. XmlWriterTraceListener" />
</listeners> </source> </sources> </system.diagnostics>
You receive an exception. You need to successfully enable message logging. What should you do?

A) Set the switchValue attribute to verbose.
B) Remove the message filter.
C) Set the initializeData attribute to the name of a log file.
D) Set the maximum size of the message to be logged to 256K.

Solutions: