Microsoft 70-503 : TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation

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Microsoft 70-503 Exam Syllabus Topics:

Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:

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

Question #2
You are creating a distributed application by using Microsoft .NET Framework 3.5.
You use Windows Communication Foundation (WCF) to create the application. The operations provided by the WCF server use the remote resources of other computers.
These methods use the credentials provided by the client applications. You need to ensure that the WCF server can impersonate the client applications to access the remote resources.
Which client application settings should you use?

A. <windows allowedlmpersonationl_evel="ldentification"/>
B. <windows allowedlmpersonationl_evel="lmpersonation"/>
C. <windows allowedlmpersonationLevel="lmpersonation" allowNtlm="false"/>
D. <windows allowedlmpersonationLevel="Delegation"/>

Question #3
You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following XML code fragment.

You need to add an endpoint definition to the service configuration for the URL http://localhost:8000/ServiceModelExam/service to expose the Contoso. Exams. lExam service contract. Which definition should you add?

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

Question #4
You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You write the following code segment.

You need to ensure that concurrent calls are allowed on the service instance.
Which code segment should you insert at line 07?

A. [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Multiple, ReleaseServiceInstanceOnTransactionComplete=true)]
B. [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Multiple, ReleaseServiceInstanceOnTransactionComplete=false)]
C. [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Reentrant, ReleaseServiceInstanceOnTransactionComplete=true)]
D. [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Reentrant, ReleaseServiceInstanceOnTransactionComplete=false)]

Question #5
You create a Windows Communication Foundation service by using Microsoft .NET
Framework 3.5. You set up tracing for the service.
The tracing fails because of an error in the service configuration. You need to identify the cause of the error.
What should you do?

A. Examine the application event log.
B. Examine the security event log.
C. Examine the system event log.
D. Set the enableLogKnownPii attribute to true in the machine, config file.

Solutions: