多項(xiàng)選擇題

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.

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Your company has a Windows Communication Foundation (WCF) service at the URL http://services.contoso.com/OrderLookupService.svc.The section of the configuration file is as follows. (Line numbers are included for reference only.)01 02 03 04 05 06 ...0708 09 10 11 You need to ensure that the service publishes the WSDL description at http://services.contoso.com/OrderLookupService.svc?wsdl.
What should you do?（）

A.
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單項(xiàng)選擇題

You are developing a Windows Communication Foundation (WCF) service. The service operation takes a customer number as the only argument and returns information about the customer. The service requires a security token in the header of the message. You need to create a message contract for the service.
Which code segment should you use?（）

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