You are developing a Windows Communication Foundation (WCF) service. You enable logging in the configuration file.
The opening tag is defined as follows.

<messagelogging br="" logentiremessage="true"> logMalformedMessages="true"
logMessagesAtServiceLevel="true"
logMessagesAtTransportLevel="true"
maxMessagesToLog="20">

You need to ensure that logging is implemented so that only messages with SOAP headers are logged.
What should you add to the filters element of the application configuration file?（）

单项选择题You are developing a Windows Communication Foundation (WCF) service that will be hosted in Microsoft Internet Services (IIS) 7.0.The service must be hosted in an IIS application named Info. You need to enable this service to be hosted in IIS by changing the web.config file. Witch XML segment should you add to the web.config file?（）

A.
B.
C.
D.

单项选择题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?（）

A. Make sure that service class has a default constructor. Add a public read-only property with the name ServiceHost that returns an instance of the MovieServiceHost class.
B. Create a factory for the custom service host. Name the factory MovieServiceHostFactory. In the web.config file, add the following attribute to the element within the element. factory="MovieServiceFactory"
C. Create a factory for the custom service host. Name the factory MovieServiceHostFactory. In the .svc file, add the following line. <%@ServiceHost Service="MovieServiceHostFactory" Language="C#">
D. Decorate the custom service host class with the following line. [System.ServiceModel.Activation.ServiceActivationBuildProvider()]

单项选择题You are developing a Windows Comunication Foundation (WCF) service that is used to check the status of orders placed by customers.The following code segment is part of your service.(Line numbers are included for reference only.) 01 [ServiceContract] 02 public interface IStatus 03 { 04 [OperationContract] 05 int GetOrderStatus(string orderNumber); 06 } 07 08 class OrderService : IStatus 09 { 10 public int GetOrderStatus(string orderNumber) 11 { 12 ... 13 } 14 } 15 16 class Program 17 { 18 static void Main(string[] args) 19 { 20 21 22 host.Open(); 23 ... 24 } 25 }You need to ensure that the service always listens at net.pipe: SupplyChainServer Pipe. What should you do?（）

A.
B.
C.
D.

单项选择题You develop a Windows Communication Foundation (WCF) service. It is used exclusively as an intranet application and is currently unsecured. You need to ensure that the service meets the following requirements: The service now must be exposed as an Internet application. The service must be secured at the transport level. Impersonation and delegation cannot be enabled. What should you use? （）

A. basicHttpBinding and HTTP
B. basicHttpBinding and Kerberos
C. wsHttpBinding and Kerberos
D. wsHttpBinding and HTTPS

单项选择题You are creating an application using Visual Studio 2010. The application consumes a Windows Communication Foundation (WCF) service.You are adding a service reference to the WCF service. You need to ensure that the generated proxy does not block the calling thread when executing a service method. What should you do when adding the service reference? （）

A. Set the Collection type to ObservableCollection.
B. Select the Reuse types in all referenced assemblies option.
C. Select the Generate asynchronous operations option.
D. Select the Always generate message contracts option.