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Microsoft 070-503 Exam Syllabus Topics:

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. You create the following service contract.

You need to ensure that the DoSomething operation is executed by a single thread at a time.
What are two possible service implementations you should use to achieve this goal? (Each correct answer presents a complete solution. Choose two.)

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

2. You are creating 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.)

If the existing operation contract is unable to process a request made to the service, a generic operation contract must attempt to process the request.
You need to create the generic operation contract.
Which code segment should you insert at line 08?

A) [OperationContract(Action="Default")]void ProcessOthers(Message msg);
B) [OperationContract(Action="*")]void ProcessOthers();
C) [OperationContract(Action="*")]void ProcessOthers(Message msg);
D) [OperationContract(Action="Default")]void ProcessOthers();

3. You create a Windows Communication Foundation client application by using Microsoft .NET Framework 3.5. The client application communicates with an existing Web service that requires custom HTTP headers. You need to ensure that all messages sent to the service include the headers.
Which two tasks should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Create a custom endpoint behavior. Add the message inspector by using the IEndpointBehavior.ApplyClientBehavior method.
B) Create a message inspector. Insert the custom headers by using the ICIientMessagelnspector.AfterReceiveReply method.
C) Create a message inspector. Insert the custom headers by using the ICIientMessagelnspector.BeforeSendRequest method.
D) Create a custom endpoint behavior. Add the message inspector by using the IEndpointBehavior.AddBindingParameters method.

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

The implementation of the MyMethod operation must call back the CallbackMethod operation. You need to ensure that the service meets the following requirements:
Which service implementation should you use?

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

5. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You want to enable message logging. You add the following code fragment to the service configuration file.
<system.diagnostics> <sources> <source name="System. ServiceModel. Messagel_ogging">
<listeners> odd name="messages"
type="System. Diagnostics. XmlWriterTraceListener" />
</listeners> </source> </sources> </system.diagnostics>
You receive an exception. You need to successfully enable message logging. What should you do?

A) Set the switchValue attribute to verbose.
B) Remove the message filter.
C) Set the initializeData attribute to the name of a log file.
D) Set the maximum size of the message to be logged to 256K.

Solutions: