You are developing a Windows Service. The Windows Service will host a Windows Communication Foundation (WCF) service.The Windows Service class will inherit from ServiceBase.You need to ensure that the WCF service starts when the Windows Service is restarted. What should you do in the Windows Service class?（）
Your company has a single active directory domain. The domain runs at the functional level of windows server 2003. You install the DHCP service on a server named DHCP1. You attempt to start the DHCP service, but it does not start. You need to ensure that the DHCP service starts.
What should you do?（）
You are developing a client application that consumes a Windows Communication Foundation (WCF) service.
The operation contract is as follows.
[OperationContract]
[FaultContract(typeof(SalesFault))]
string GetSales(string saleId);（）
The service configuration file contains the following line in the serviceBehaviors section.
A divide-by-zero exception is not being handled by the service.
You need to ensure that the exception is caught in the client application.
Which type of exception should the client catch?（）
You are developing a Windows Presentation Foundation (WPF) application.
You are implementing a test strategy for the application.
You need to ensure that the test class can repeat user input.
From which base class should the test class inherit?（）
You are developing a Windows Communication Foundation (WCF) service. The service operation takes a customer number as the only argument and returns information about the customer. The service requires a security token in the header of the message. You need to create a message contract for the service.
Which code segment should you use?（）
A Windows Communication Foundation (WCF) service is deployed with netTcpBinding.
This service uses a duplex message exchange pattern.You are developing the next version of the WCF service.
You discover that your company's hardware load balancer performs correctly only for WCF services that use HTTP.
You need to ensure that your service works with the load balancer.
What should you do?（）
You are developing a custom service host for a Windows Communication Foundation (WCF) service. The service host is named MovieServiceHost.You need to deploy the service with the custom service host in Microsoft Internet Information Services (IIS) 7.0.
What should you do?（）
You are developing a Windows Service. The Windows Service will host a Windows Communication Foundation (WCF) service.The Windows Service class will inherit from ServiceBase.You need to ensure that the WCF service starts when the Windows Service is restarted.
What should you do in the Windows Service class?（）
You are creating a Windows Communication Foundation (WCF) service. The service endpoints change frequently. On the service, you add a new ServiceDiscoveryBehavior to the Behaviors collection of the ServiceHost Description property. You need to ensure that client applications can communicate with the service and discover changes to the service endpoints.
What should you do?（）
You are developing a Windows Communication Foundation (WCF) service that is hosted by a Windows Forms Application.The ServiceHost instance is created in the Form Constructor.You need to ensure that the service is not blocked while the UI thread is busy.
What should you do?（）
You work as the application developer at Certkiller .com. Certkiller .com uses Visual Studio.NET 2005 as its application development platform.
You are developing a .NET Framework 2.0 Windows Service application and are busy writing the following installation code for the Windows service:
<RunInstallerAttribute(True)> Public Class TestServiceInstaller Implemets Installer
'Additional code to go here
End Class
You are required to install the Windows service and write the values associated with the service in the Windows Registry.
What should you do?（）
You are developing a Windows Presentation Foundation (WPF) application.
You need to display HTML content from a Web Page on the WPF form. What should you do?（）
You are developing a Windows Communication Foundation (WCF) service.
You need to enable security auditing for all events.
What should you do?（）
You are developing a Windows Communication Foundation (WCF) service that must be discoverable.You need to ensure that the ServiceHost instance supports multiple discovery versions.
What should you do?（）
You have a print server that runs Windows Server 2003 Service Pack 2 (SP2).
You need to create a report of all the printers that are on the server and the drivers that they use.
What should you do?（）
You are developing a Windows Communication Foundation (WCF) service that does not operate on a duplex channel.You find that operations do not start until all previous operations have finished. The service hosting code contains the following lines.var service = new WarehouseService(); var host = new ServiceHost(service);You need to ensure that new operations do not wait for previous operations to finish.
Which attribute should you use to decorate the service?（）
You develop a Windows Communication Foundation (WCF) service. You enable all performance counters and run multiple calls to the service.The service must isolate session data to each user. You need to monitor the instancing behaviour used in the service.
Which performance counter should you monitor?（）
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