Which Statement About JTA and Resource-Local Entity Managers Is Correct

Multiple Choice

Which statement about JTA and resource-local entity managers is correct?

A) The default transaction type for an entity manager is JTA in both Java EE and Java SE environments.
B) You cannot use a resource-local entity manager in a Java EE environment.
C) The EntityTransaction interface must be used when using a resource-local entity manager. ()
D) Application-managed entity managers can be only a JTA transaction type.