Which behavior should you configure and apply?

A Windows Communication Foundation (WCF) service is required to log all authorization attempts to the Windows Event Log.
You need to configure a behavior and apply it to the service to support this requirement. Which behavior should you configure and apply?

A.
serviceAuthenticationManager

B.
serviceAuthorization

C.
serviceCredentials

D.
serviceSecurityAudit

Explanation:
<serviceSecurityAudit> Specifies settings that enable auditing of security events during service operations.
<serviceCredentials> Specifies the credential to be used in authenticating the service and the client credential validation-related settings.
<serviceAuthorization> Specifies settings that authorize access to service operations
ServiceAuthenticationManager Class Represents a service authentication manager.

<serviceSecurityAudit>
(http://msdn.microsoft.com/en-us/library/ms731694.aspx)