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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. The service will authenticate the client applications by using Personal Information Cards. You write the following code segment. (Line numbers are included for reference only.)

You need to ensure that only those client applications that provide a valid e-mail address can execute the Update method. Which code segment should you insert at line 15?

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

3. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to expose two different service endpoints that have the same address.
Which configuration setting should you use?

A) <service name="ExamService">
<endpoint address="http: //localhost:8080/service"
binding="wsHttpBinding" contract="ISimpleExam"/>
<endpoint address="http: //localhost:8080/service"
binding="wsDualHttpBinding" contract="IComplexExam"/>
</service>
B) <service name="ExamService">
<endpoint address="http: . //localhost:8080/service"
binding="wsHttpBinding" contract="ISimpleExam"/>
<endpoint address="http: //localhost:8080/service"
binding="wsHttpBinding" contract="IComplexExam"/>
</service>
C) <service name="ExamService">
<host>
<baseAddresses>
<add baseAddress="http: //localhost:8080"/>
</baseAddresses>
</host>
<endpoint address="service"
binding="wsHttpBinding" contract="ISimpleExam"/>
<endpoint address="service"
binding="basicHttpBinding" contract="IComplexExam"/>
</service>
D) <service name="ExamService">
<host>
<baseAddresses>
<add baseAddress="http: //localhost:8080/service"/>
</baseAddresses>
</host>
<endpoint binding="wsHttpBinding" contract="ISimpleExam"/>
<endpoint binding="basicHttpBinding"
contract="IComplexExam"/>
</service>

4. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The WCF service must authenticate the client applications by validating credit card numbers and expiry dates.
You write the following code segment. (Line numbers are included for reference only.)

You need to implement custom authentication for the WCF service. Which code segment should you insert at line 10?

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

5. You are creating a remote database management application by using Microsoft Windows Forms and Microsoft .NET Framework 3.5. You use the Windows Communication Foundation model to create the application.
You write the following code segment. (Line numbers are included for reference only.)

You need to ensure that each time a client application calls the Open() method, a new service instance is created.
Which code segment should you insert at line 03?

A) <OperationBehavior(AutoDisposeParameters:=True)> _
B) <OperationBehavior( _ ReleaseInstanceMode:=ReleaseInstanceMode.None)> _
C) <OperationBehavior(TransactionScopeRequired:=True)> _
D) <OperationBehavior( _ ReleaseInstanceMode:=ReleaseInstanceMode.BeforeCall)> _

Solutions: