An existing Windows application uses a Windows Communication Foundation (WCF) Web
service that is available only to employees. You have the following requirements: • Make the
WCF Web service available to business partners. • Enable business partners to send a
profile token. • Ensure that the currently deployed application continues to function. You
need to recommend a solution that meets the requirements. What should you recommend?
A.
Implement the WCF Web service as a REST service.
B.
Modify the WCF Web service operations to accept the profile token as an additional
parameter.
C.
Use SOAP headers to pass the profile token to the service operations.
D.
Convert the WCF Web service to a Duplex service that implements a callback to accept
the profile token.