Last Updated: Jul 30, 2026
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| Section | Objectives |
|---|---|
| Security in WCF Services | - Secure communication
|
| Configuring and Hosting WCF Services | - Hosting environments
|
| WCF Bindings and Messaging | - Bindings
|
| Designing and Developing WCF Services | - Service implementation
|
| Client Configuration and Consumption | - Service consumption
|
1. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to publish metadata programmatically.
Which two code segments should you use? (Each correct answer presents a complete solution. Choose two.)
A) Option B
B) Option D
C) Option A
D) Option C
2. You have some code:
<system.diagnostics>
<sources>
(.......)
<listeners>
<add name="DefaultListener" />
</listeners>
</source>
</sources>
What line should you insert at (......) to enable tracing?
A) <source name="System.ServiceModel" switchValue="ActivityTracing" propagateActivity="true">
B) <source name="System.ServiceModel" switchValue="Information, ActivityTracing" propagateActivity="true">
C) <source name="System.ServiceModel" switchValue="ActivityTracing" propagateActivity="false">
D) <source name="System.ServiceModel.MessageLogging">
3. You create a Windows Communication Foundation (WCF) application by using Microsoft .NET Framework 3.5. The desktop client calls the WCF service to query its status. The call can take up to 10 seconds to complete. The client application must remain responsive when querying the service. You need to generate the required proxy.
What should you do?
A) Execute the svcutil http: //localhost:8000/MyWCF /async command.
B) Execute the svcutil myServiceHost.exe /serviceName:MyWCF command.
C) Execute the svcutil /validate /serviceName:MyWCF myServiceHost.exe command.
D) Clear the Generate asynchronous operation check box in the Add Service Reference Settings dialog box.
4. You create a Windows Communication Foundation (WCF) service by using Microsoft .NET framework 3.5.
You write the following code segment for a service contract.
[ServiceContract]
public interface IOrderManager
{
[OperationContract]
void ProcessOrder(int ordered);
}
You need to ensure that the WCF service meets the following requirements:
Which method implementation should you use?
A) Option B
B) Option D
C) Option A
D) Option C
5. You are creating a distributed application by using Microsoft .NET Framework 3.5. The application uses Windows Communication Foundation.
The client applications require the users to provide a user name and a password.
You need to ensure that the server authenticates the client applications by verifying user names and passwords.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)
A) Option B
B) Option D
C) Option A
D) Option C
Solutions:
| Question # 1 Answer: A,D | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: A,B |
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