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Microsoft 070-513 Exam Syllabus Topics:

Microsoft TS: Windows Communication Foundation velopment with Microsoft .NET Framework 4 Sample Questions:

1. You are developing a Windows Communication Foundation (WCF) service that contains the following operation contract.
[OperationContract]
CustomerNames GetCustomerNames();
The operation returns customer names.
You need to develop a definition for the operation contract that produces XML with the following structure.

Which code segment should you use?

A) [MessageContract(WrapperName = "")]
public class CustomerNames
{
B) [MessageBodyMember]
public string[] Names;
}
C) [MessageContract(IsWrapped = false)]
public class CustomerNames
{
[MessageBodyMember]
public string[] Names;
}
D) [DataContract]
public class CustomerNames
{
[DataMember]
public string[] Names;
}
E) [DataMember(IsRequired = false)]
public string[] Names;
}
F) [DataContract]
public class CustomerNames
{

2. A Windows Communication Foundation (WCF) client and service share the following service contract interface.
[ServiceContract]
public interface IContosoService {
[OperationContract]
void SavePerson(Person person);
}
They also use the following binding.
NetTcpBinding binding new NetTcpBinding { TransactionFlow = true };
The client calls the service with the following code
using (TransactionScope ts = new TransactionScope(TransactionScopeOption.Required))
{ IContosoService client = factoryCreateChannelO;
client SavePerson(person);
ConsoleWriteLine(
TransactionCurrentTransactionlnformation.
Distributedldentifier);
tsCompleteO;
}
The service has the following implementation for SavePerson
public void IContosoService SavePerson(Person person)
{ person.Saveo;
ConsoleWriteLine(TransactionCurrentTransactionlnformation.
Distributedidentifier);
}
The distributed identifiers do not match on the client and the server
You need to ensure that the client and server enlist in the same distributed transaction
What should you do?

A) Add the following attributes to the SavePerson operation on lContosoService
[TransactionFlow(TransactionFlowOption Mandatory)]
[OperationBehavior(TransactionScopeRequired true)]
B) Add the following attribute to the SavePerson operation on lContosoService [TransactionFlow(TransactionFlowOption Allowed)] Add the following attribute to the implementation of SavePerson. [OperationBehavior(TransactionScopeRequired true)]
C) Add the following attribute to the SavePerson operation on lContosoSernce [OperationBehavior(TransactionScopeRequired true)] Md the following attribute to the implementation of SavePerson. ITransactionFlow(TransactionFlowOptionAllowed)]
D) Add the following attributes to the SavePerson operation on IContosoService.
[OperationBehavior(TransactionScopeRequired = true)]
[TransactionFlow(TransactionFlowOption.
Mandatory)]

3. You are developing a Windows Communication Foundation (WCF) service. You enable logging in the configuration file. The opening tag is defined as follows.

You need to ensure that logging is implemented so that only messages with SOAP headers are logged.
What should you add to the filters element of the application configuration file?

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

4. You want to debug the Windows Communication Foundation (WCF) client and server interaction through message and application tracing.
You need to correlate traces generated on the client and the server.
Which XML segment should you add to the system. diagnostics configuration element in the client and server application configuration file?

A) <sources> <source propagate Activitye'true" namee"System Service Model"
switchValues'Warning, ActivityTracing'> <listeners
<add namez"ServiceModelTraceListener" /> </listeners>
</source> </sources>
B) <sources>
<source names"System. ServiceModeiMessageLogging" propagateActivitye'true" switch Values' Warning, ActivityTracing'5 <listeners> <add name="ServiceModelTraceListener" I> </listeners> </source> </sources>
C) <sources>
<source names"System. ServiceModel" switchValues'VerboseActivityTracing"> <listeners>
<add namee"ServiceModelTraceListener" /> </listeners> </source>
</sources>
D) <sources> <source names" System ServiceModel. MessageLogging"
switchValuee"Verbose"> <listeners>
<add namez"ServiceModelTraceListener" /> <Listeners>
</source> </sources>

5. You develop a Windows Communication Foundation (WCF) service that includes the following code. (Line numbers are included for reference only.)

ServiceB must not accept reentrant service calls. You need to modify the behavior of the service. What should you do?

A) Insert the following code segment at line 07: <ServiceBehavior(ReleaseServiceOnTransactionTransactionComplete:=True)>
B) Replace the code segment at line 01 with the following code segment: <ServiceBehavior (InstanceContextMode:=InstanceContextMode.Single) >
C) Insert the following code segment at line 07: <ServiceBehavior(ReleaseServiceInstanceOnTransactionComplete:=False)>
D) Insert the following code segment at line 07: <ServiceBehavior(ConcurrencyMode:=ConcurrencyMode.Multiple)>

Solutions: