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? （）

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.

单项选择题You are developing a Windows Communication Foundation (WCF) REST service to provide access to a library book catalog. The following code segment defines the service contract. (Line numbers are included for reference only.) 01 [ServiceContract()] 02 [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)] 03 public Class LibraryService 04 { 05 public Book GetBookByTitle(string title) 06 { 07 ... 08 } 09 10 [WebGet(UriTemplate = Book {id} )] 11 public Book GetBookById(string id) 12 { 13 ... 14 } 15 }Library patrons want the ability to search the catalog by title.You need to ensure that the GetBookByTitle method is exposed as a service method.Which code segment should you insert at line 04?（）

A. [WebGet(UriTemplate = "Book/{title}")]
B. [WebGet(UriTemplate = "BookByTitle/{title}")]
C. [WebGet(UriTemplate = "Book/{titleToSearch}")]
D. [WebGet(UriTemplate = "{titleToSearch}")]

单项选择题You are developing a Windows Communication Foundation (WCF) service. You need to enable security auditing for all events. What should you do?（）

A. Set the serviceAuthorizationAuditLevel setting to Success and the messageAuthenticationAuditLevel setting to Success.
B. Set the messageAuthenticationAuditLevel setting to Success and the auditLogLocation setting to Application.
C. Set the serviceAuthorizationAuditLevel setting to SuccessAndFailure and the messageAuthenticationAuditLevel setting to SuccessAndFailure.
D. Set the messageAuthenticationAuditLevel setting to SuccessAndFailure and the auditLogLocation setting to Security.

单项选择题You develop a Windows Communication Foundation (WCF) service. You name the service MovieService in the Movie namespace. The service is hosted in Microsoft Internet Information Services (IIS). You copy the assembly containing the service to the bin folder in the virtual directory path.You need to set up the URI that is mapped to the service. What should you do?（）

A.
B.
C.
D.

单项选择题You are developing a Windows Communication Foundation (WCF) service. The following code defines and implements the service. (Line numbers are included for reference only.) 01 [ServiceContract(SessionMode = SessionMode.Allowed)] 02 public interface ICatchAll 03 { 04 [OperationContract(IsOneWay = false, Action = * , ReplyAction = * )] 05 Message ProcessMessage(Message message); 06 } 07 08 public class CatchAllService : ICatchAll 09 { 10 public Message ProcessMessage(Message message) 11 { 12 13 ... 14 return returnMsg; 15 } 16 }You need to ensure that two identical copies of the received message are created in the service. Which code segment should you insert at line 12?（）

A.
B.
C.
D.