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

2. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
The service will be hosted on a Web server that hosts other Microsoft ASP.NET applications.
You need to enable service model extension (.svc) for the W3SVC/l/ROOT/SampleApp directory and its subdirectories.
Which command should you use?

A) ServiceModelReg.exe -s: W3SVC/1/ROOT/SatripleApp
B) ServiceModelReg.exe - k: W3SVC/l/ROOT/SampleApp
C) ServiceModelReg.exe - sn: W3SVC/l/ROOT/SampleApp
D) ServiceModelReg.exe - i: W3SVC/l/ROOT/SampleApp

3. 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 B
B) Option D
C) Option C
D) Option A

4. You create a service by using Microsoft .NET Framework 3.5. You use Windows
Communication Foundation to create the service.
You use the WSHttpBinding binding to prevent tampering of the data. Users report that the
data is unreadable.
You need to troubleshoot the problem by logging the incoming messages. Which code fragment should you use?

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

5. What binding should be used to support sessions?

A) [ServiceContract(SessionMode = SessionMode.Required)]
B) [ServiceContract(SessionMode = SessionMode.Allowed)]
C) [ServiceContract(ProtectionLevel=ProtectionLevel.EncryptAndSign)]
D) [ServiceContract(
ProtectionLevel=ProtectionLevel.EncryptAndSign
SessionMode= SessionMode.Allowed)
)]

Solutions: