Which two statements are true about EJB 3.0 JMS message-driven beans?

Which two statements are true about EJB 3.0 JMS message-driven beans? (Choose two.)

Which two statements are true about EJB 3.0 JMS message-driven beans? (Choose two.)

A.
The developer can use JMS messageselector declarationsto restrict the messages that the
bean receives.

B.
The developer can associate the bean with a specific queue or topic using the resource-ref
element of the deployment descriptor.

C.
To achieve concurrent processing of more than one message at a time, more than one bean
class must be associated with the same JMS queue.

D.
The developer can usetheactivationConfigelementoftheMessageDrivenannotationto specify
whether the bean should be associated with a queue or a topic.



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