Which two statements are true about the timer service of a business component container?
A. Timed notifications for all types of session beans can be scheduled by using this service.
B. When the server is shut down, the timer is persisted automatically and becomes active again when the server is restarted.
C. Each instance of message driven beans has unique timers.
D. When stateful session bean instance is removed, the container detaches the timers associated with the instance and allocates them to the new instance.
E. When a transaction is rolled hark, the timer creation within the transaction is also rolled back.
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