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

1. 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.

You need to ensure that the WCF service meets the following requirements:
Which method implementation should you use?

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

2. You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. The application processes sales order documents. The application contains a component that retrieves the sales order documents from a FTP server and stores the data in a Microsoft SQL Server database. You need to ensure that the component meets the following requirements:
Periodically polls the FTP server to check for new order documents Executes without dependencies on other software components Executes without user interaction Executes by using a specific security context Allows system administrators to change the security context by retaining the same component code.
What should you do?

A) Develop the component as a Windows application.
B) Develop the component as a Web service.
C) Develop the component as a Windows service.
D) Develop the component as a Windows Communication Foundation service.

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

4. You are creating a client application by using Microsoft .NET Framework 3.5. The client application uses a Windows Communication Foundation service. To log the called service proxy methods and their parameters, you implement custom endpoint behavior in the following class.
class ParametersLoggerBehavior: lEndpointBehavior
{}
You also create the following class for the custom behavior.
class LoggerElement
: BehaviorExtensionElement {}
You add the following configuration code fragment to the application configuration file.
(Line numbers are included for reference only.)

You need to ensure that the endpoint uses the custom behavior. Which configuration settings should you insert at line 03?

A) <behavior name="debug"> <debugBehavior /> </behavior>
B) <ParametersLoggerBehavior name="debug"> <debugBehavior /> </ParametersLoggerBehavior>
C) <debugBehavior name="debug" />
D) <behavior name="debug"> <ParametersLoggerBehavior /> </behavior>

5. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service will be hosted on a Web server. You add the following code fragment to the .svc file. <% @ServiceHost Factory="ExamServiceFactory" Service="ExamService" %>
You need to create the 3 instances of the services by using the custom ExamServiceFactory class.
Which code segment should you use?

A) public class ExamServiceFactory : ServiceHostj protected override void
ApplyConfigurationO {
//Implementation code comes here. }}
B) public class ExamServiceFactory : ServiceHostFactoryj protected override ServiceHost
CreateServiceHost(Type serviceType, Uri[] baseAddresses) {//Implementation code
comes here.}
C) public class ExamServiceFactory : ServiceHostj public ExamServiceFactory(Type
serviceType, params Uri[] baseAddresses): base(serviceType, baseAddresses) {
//Implementation code comes here. }}
D) public class ExamServiceFactory : ServiceHostBasej protected override void
ApplyConfigurationQ {//Implementation code comes here. }}

Solutions: