following code segment.
[ServiceContract]
public interface ICustomerService
{
...
}
public class CustomerService : ICustomerService
{
...
}
The service is self-hosted in a console application. Older client applications access the service at http://contoso.com:8080/CustomerService/V1.
Newer client applications access the service at http://contoso.com:8080/CustomerService/V2.
You need to ensure that any client application can access the service at either address.
Which code segment should you use?（）

单项选择题You create a service and deploy it on a network in a building named Building1. You will deploy the service to Building2. The service in Building1 is configured using the following discovery scopes. The service in Building2 will be configured using the following discovery scopes. You need to ensure that the client application can discover the service in Building1 or the service in Building2. Which scopes should you add to the client configuration file? （）

A.
B.
C.
D.

单项选择题Your company has an existing Windows Communication Foundation (WCF) service that allows business partners to place orders. The service uses netMsmqBinding. You find that processing every order in its own transaction is causing a delay. You need to ensure that the service is configured to process multiple orders in one transaction. What should you do? （）

A. Use service behavior and set the maxConcurrentCalls attribute.
B. Use endpoint behavior and set the maxBatchSize attribute.
C. Use endpoint behavior and set the maxPendingReceives attribute.
D. Use endpoint behavior.

单项选择题You are developing a Windows Communication Foundation (WCF) service that contains the following operation contract. [OperationContract] CustomerNames GetCustomerNames(); The operation returns customer names. You need to develop a definition for the operation contract that produces XML with the following structure. Which code segment should you use? （）。

A.
B.
C.
D.

单项选择题You are creating a client application and configuring it to call a Windows Communication Foundation (WCF) service.When the application is deployed, it will be configured to send all messages to a WCF routing service. You need to ensure that the application can consume the target service after the application is deployed. What should you do?（）

A. In the client application, add a service reference to the router service. In the client binding configuration, specify the address of the router service.
B. In the client application, add a service reference to the target service. In the client binding configuration, specify the address of the target service.
C. In the client application, add a service reference to the router service. In the client binding configuration, specify the address of the target service.
D. In the client application, add a service reference to the target service. In the client binding configuration, specify the address of the router service.

多项选择题You develop a Windows Communication Foundation (WCF) service to generate reports. Client applications call the service to initiate report generation but do not wait for the reports to be generated. The service does not provide any status to the client applications. The service class is defined as follows. (Line numbers are included for reference only.) 01 [ServiceContract] 02 public class ReportGeneratorService 03 { 04 ... 05 private int GenerateReports(int clientID) 06 { 07 ... 08 return 0; 09 } 10 } You need to ensure that client applications can initiate reports without waiting for status. Which two actions should you perform (Each correct answer presents part of the solution. Choose two.) （）。

A. Insert the following code at line 04. [OperationContract(IsOneWay=true)]
B. Insert the following code at line 04. [OperationContract(AsyncPattern=false)]
C. At line 05, change the GenerateReports method from private to public.
D. Remove line 08. At line 05, change the return type of GenerateReports method to void.