You are integrating a Windows Communication Foundation (WCF) service within an enterprise wide Service Oriented Architecture (SOA). Your service has the following service contract:

[ServiceContract] public class CreditCardConfirmationService { [OperationContract] boolean ConfirmCreditCard(string ccNumber); double OrderAmount(int orderNumber); } You need to allow the code in the ConfirmCreditCard method to participate automatically in existing transactions. If there is no existing transaction, a new transaction must be created automatically. What should you do?

Question

You are integrating a Windows Communication Foundation (WCF) service within an enterprise wide Service Oriented Architecture (SOA). Your service has the following service contract:

[ServiceContract] public class CreditCardConfirmationService { [OperationContract] boolean ConfirmCreditCard(string ccNumber); double OrderAmount(int orderNumber); } You need to allow the code in the ConfirmCreditCard method to participate automatically in existing transactions. If there is no existing transaction, a new transaction must be created automatically. What should you do?

Accepted Answer

C. Add an [OperationBehavior(TransactionScopeRequired=true)] attribute to the

Answer

A. Inside the ConfirmCreditCard method, surround the code that must participate in the

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B. Inside the ConfirmCreditCard method, surround the code that must participate in the

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D. Add an [OperationBehavior(TransactionAutoComplete=true)] attribute to the

You are integrating a Windows Communication Foundation (WCF) service within an enterprise wide Service Oriented Architecture (SOA). Your service has the following service contract: [ServiceContract]…

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