You are modifying an existing Windows Communication Foundation (WCF) service that is
defined as follows; SubmitOrder makes a call to another service. The ProcessMessage
method does not perform as expected under a heavy load you need to enable processing of
multiple messages. New messages must only be processed when the ProcessMessage
method is not processing requests, or when it is waiting for calls to SubmitOrder to return.
Which attribute should you apply to the MessageProcessor class?
A.
CallbackBehavior (ConcurrencyMode:=ConcurrencyModeMuttiple)
B.
ServiceBehavior (Conc urrencyMode: =Conc urrencyMode. Reentrant)
C.
CallbackBehavior (ConcurrencyMode: ConcurrencyMode Reentrant)
D.
ServiceBehavior (ConcurrencyMode ConcurrencyMode Multiple)