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

1. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You write the following code segment. (Line numbers are included for reference only.)

The service must meet the following requirements:
You need to set the isolation level for the service.
Which line of code should you insert at line 04?

A) <ServiceBehavior( _ TransactionIsolationLevel:=IsolationLevel.Serializable)> _
B) <ServiceBehavior( _ TransactionIsolationLevel:=IsolationLevel.Snapshot)> _
C) <ServiceBehavior( _ TransactionIsolationLevel:=IsolationLevel.Unspecified)> _
D) <ServiceBehavior( _ TransactionIsolationLevel:=IsolationLevel.Chaos)> _

2. You are creating a client application by using Microsoft .NET Framework 3.5. The client application will consume a COM+ application by using the Windows Communication Foundation service.
You write the following code segment to implement the COM+ application.

You need to configure the WCF service to access the COM+ application from the WCF client application.
Which code fragment should you use?

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

3. You are creating a client application that will call a Windows Communication Foundation service. The service was created by using Microsoft .NET Framework
3.5. You write the following code segment.

You plan to share the validation logic between the client application and the WCF service.
You need to generate a client-side service proxy that includes the validation logic.
Which four tasks should you perform? (Each correct answer presents part of the solution. Choose four.)

A) In the Client project, use the Add Reference dialog box to add a project reference to the Service project.
B) In the Client project, use the Add Service Reference dialog box to reference the service.
C) Create a Class Library project for the DataContract classes.
D) In the Service project, add a reference to the Class Library project.
E) In the Client project, use the Add Web Reference dialog box to reference the service.
F) In the Client project, add a reference to the Class Library project.

4. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The metadata for the service is available at http://localhost:8080/MyService/mex.
The svcutil.exe tool generates the following two files from the metadata:
You need to ensure that the configuration file is merged with an existing app.config file.
Which command should you use?

A) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /mergeConfig
B) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /config:app.config /noconfig
C) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /config:app.config
D) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /config:app.config /mergeconfig

5. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5.
You add the following code segment to the service.

You add the following code segment to the client application.
01 Public Function PerformCalculations(ByVal numberl As Double, _ ByVal number2 As Double) As Double
03 End Function
You need to ensure that the DisposeCalculator operation is always called.
Which code segment should you insert at line 02?

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

Solutions: