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Last Updated: Aug 14, 2026
No. of Questions: 270 Questions & Answers with Testing Engine
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| Section | Objectives |
|---|---|
| Topic 1: Client Configuration and Communication | - Channel factories and proxy generation - Bindings and interoperability considerations - Creating and configuring WCF client applications |
| Topic 2: Service Implementation and Hosting | - Implementing service contracts in C# using .NET Framework 3.5 - Configuring service behavior and metadata exposure - Hosting WCF services in managed applications, IIS and WAS |
| Topic 3: Security, Transactions and Reliability | - Transactions, concurrency and instance management - Configuring security (transport and message level) - Reliable messaging and error handling |
| Topic 4: Windows Communication Foundation Fundamentals | - Bindings, endpoints, and host configuration - Service contracts, data contracts, and message contracts - Understanding WCF architecture and programming model |
1. 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: IStore
{
public void RemoveOrder(int ordered)
{
} }
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 B
B) Option C
C) Option A
D) Option D
2. You are creating a distributed application with Windows Communication Foundation by using Microsoft .NET Framework 3.5.
The distributed application topology includes client applications, routers, and services. Communication between the client applications and the services require authentication, confidentiality, and integrity.
You need to ensure that routers are not able to read the contents of the messages. You must achieve this goal without customizing the binding configuration.
Which binding should you use?
A) NetTcpBinding
B) NetPeerTcpBinding
C) WSHttpBinding
D) NetNamedPipeBinding
3. You are creating a Windows Communication Foundation (WCF) client application by using Microsoft .NET Framework 3.5.
The application uses the XML data format to exchange data with the service.
You plan to change the data format to JavaScript Object Notation (JSON).
You need to ensure that the client application can access the JSON WCF service.
What should you do?
A) Option B
B) Option C
C) Option A
D) Option D
4. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You create the following service definition
[ServiceContract(SessionMode=SessionMode.Required)] public interface IMyService {
... }
You need to custom manage the lifetime of the session.
Which service implementation should you use?
A) [ServiceBehavior(AutomaticSessionShutdown=false)] public class serviceImpl { ... }
B) [ServiceBehavior(UseSynchronizationContext=false)] public class serviceImpl { ... }
C) [ServiceBehavior(UseSynchronizationContext=true)] public class serviceImpl { ... }
D) [ServiceBehavior(AutomaticSessionShutdown=true)]
public class serviceImpl
{
...
}
5. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service contains the following code segment.
Client applications pass an instance of the Customer class to the service.
You create a new version of the data contract and replace the Name property with the FirstName property.
You need to ensure that the existing client applications can continue to consume the service without modifying their code.
Which code segment should you use?
A) Option B
B) Option C
C) Option A
D) Option D
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: C | Question # 3 Answer: A | Question # 4 Answer: A | Question # 5 Answer: C |
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