单项选择题
A. Update the service reference with the Generate asynchronous operations option.
B. Create a partial class for the previously generated proxy and include the new asynchronous methods.
C. Create a class with the same name as the previously generated proxy and add the new asynchronous methods. Add the new class to a namespace that is different from the original proxy.
D. Create a class with the same name as the previously generated proxy and add the new asynchronous methods as partial methods. Add the new class to a namespace that is different from the original proxy.
单项选择题 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? （）
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? （）