Microsoft Exam Questions

Which code segment should you use?

You create a Microsoft ASP.NET application by using the Microsoft .NET Framework
version 3.5. The application consumes a Microsoft Windows Communication Foundation
(WCF) service.The WCF service exposes the following method.
[WebInvoke]
string UpdateCustomerDetails(string custID);
The application hosts the WCF service by using the following code segment.
WebServiceHost host = new WebServiceHost(typeof(CService), new Uri(“http://win/”));
ServiceEndpoint ep = host.AddServiceEndpoint(typeof(ICService), new WebHttpBinding(),
“”);
You need to invoke the UpdateCustomerDetails method. Which code segment should you use?

A.
WebChannelFactory<ICService> wcf = new WebChannelFactory<ICService>(new Uri(“http://win”));
ICService channel = wcf.CreateChannel();
string s = channel.UpdateCustomerDetails(“CustID12”);

B.
WebChannelFactory<ICService> wcf = new WebChannelFactory<ICService>(new Uri(“http://win/UpdateCustomerDetails”));
ICService channel = wcf.CreateChannel();
string s = channel.UpdateCustomerDetails(“CustID12”);

C.
ChannelFactory<ICService> wcf = new ChannelFactory<ICService>(new WebHttpBinding(),”http://win/UpdateCustomerDetails”);
ICService channel = wcf.CreateChannel();
string s = channel.UpdateCustomerDetails(“CustID12”);

D.
ChannelFactory<ICService> cf = new ChannelFactory<ICService>(new BasicHttpBinding(),”http://win “);
cf.Endpoint.Behaviors.Add(new WebHttpBehavior());
ICService channel = cf.CreateChannel();
string s = channel.UpdateCustomerDetails(“CustID12”);

Explanation:
WebChannelFactory<TChannel> Class: http://msdn.microsoft.com/en-us/library/bb908674.aspx