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Updated: Oct 13, 2026
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Microsoft 70-503 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Security in WCF Services | - Secure communication
|
| Client Configuration and Consumption | - Client configuration
|
| WCF Bindings and Messaging | - Message patterns
|
| Configuring and Hosting WCF Services | - Service configuration
|
| Designing and Developing WCF Services | - Service contracts and data contracts
|
Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:
You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The WCF service will validate certificates to authorize client applications. You write the following code segment.
Class Store Implements IStore Public Sub RemoveOrder(ByVal ordered As Integer) Implements IStore.RemoveOrder End Sub
End Class
You need to ensure that only those client applications that meet the following criteria can access the RemoveOrder method:
What should you do?
- A. Option A
- B. Option C
- C. Option D
- D. Option B
Correct Answer: C 🗳️
You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. The application exposes a Windows Communication Foundation (WCF) service that will be consumed by an ASP. NET application. The WCF application and the ASP.NET application will be deployed on the same server. You need to ensure that the WCF service meets the following requirements:
The communication between the applications incurs minimum latency. The binding satisfies the ordered delivery constraint that is specified in the service implementation by using the DeliveryRequirements attribute.
Which binding object should you use?
- A. NetTcpBinding
- B. NetPeerTcpBinding
- C. NetNamedPipeBinding
- D. WSHttpBinding
Correct Answer: C 🗳️
You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service contains the following code segment.
You need to create a service contract that meets the following requirements:
Which code segment should you use?
- A. Option A
- B. Option C
- C. Option D
- D. Option B
Correct Answer: A 🗳️
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.
Correct Answer: A,C 🗳️
You are creating a Windows Communication Foundation (WCF) client application by using Microsoft .NET Framework 3.5.
The WCF application is hosted in a Windows service. The service uses the LocalSystem account. The application uses Message Security with Windows credentials.
You need to ensure that the application does not negotiate the authentication protocol.
Which endpoint identity settings should you apply?
- A. <identity>
<certificateReference findValue="Thumbprint of certificate is here"
storeLocation="LocalMachine"
x509FindType="FindByThumbprint"
storeName="TrustedPeople"/>
</identity> - B. <identity>
<userPrincipalName value="LocalSystem"/>
</identity>
C .<identity>
<servicePrincipalName value="host/YourComputerName" />
</identity> - C. <identity>
<dns value="http: //YourComputerName"/>
</identity>
Correct Answer: A 🗳️
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