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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. The service has a contract named IMyService.
You need to ensure that the service uses an XMLSerializer object.
Which code segment should you use?

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

2. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The service will be hosted on a Web server. You plan to deploy the service in an existing Web application.
You need to identify the Web applications on the Web server that are registered for WCF.
Which utility should you use?

A) ServiceModelReg.exe
B) SvcConfigEditor.exe
C) SvcTraceViewer.exe
D) SvcUtil.exe

3. 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 IMathSrvc {
[OperationContract] void
AddNumbers(int num);
[OperationContract] int
ClearQ; }
You need to ensure that the service meets the following requirements: The service can call the AddNumbers operation multiple times. The AddNumbers operation must start a session on the initial call.
The service must call the Clear operation only if a session exists.
The service must not call other operations after it calls the Clear operation.
Which code segment should you use to replace the existing code segment?

A) [ServiceContractJpublic interface IMathSrvcj
[OperationContract(lslnitiating=true, lsOneWay=true)J void AddNumbers(int num);
[OperationContract(lsTerminating=true)] int Clear();}
B) [ServiceContractJpublic interface IMathSrvcj
[OperationContract(lsOneWay=true)] void
AddNumbers(int num); [OperationContract(lsTerminating=true)] int Clear0;}
C) [ServiceContractJpublic interface ImathSrvc] [OperationContract] void
AddNumbers(int num);
[OperationContract(lslnitiating=false, lsTerminating=true)] int Clear();}
D) [ServiceContractJpublic interface ImathSrvc]
[OperationContract(lsTerminating=false)] void
AddNumbers(int num); [OperationContract(lsTerminating=true)] int ClearQ;}

4. You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. Client applications that run on different platforms access the WCF service.
These applications transmit confidential data to the WCF service. You write the following binding configuration.
....
<binding name="TransportSecurity" >
<security mode="Transport" />
</binding>
...
You need to configure the service for optimum interoperability and optimum security.
Which code fragment should you use?

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

5. You are creating a Windows Communication Foundation client application by using Microsoft .NET Framework 3.5. You add the following code segment to a service contract.

The DeleteDocument method in the service contract takes a long time to execute. The client application stops responding until the method finishes execution.
You write the following code segment to create an instance of a service proxy in the client application. (Line numbers are included for reference only.)

You need to ensure that the service methods are called asynchronously. What should you do?

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

Solutions: