Which two statements are true about the timer service of a business component container?

Which two statements are true about the timer service of a business component container?

A.
When stateful session bean instance is removed, the container detaches the timers
associated with the instance and allocates them to the new instance.

B.
When a transaction is rolled hark, the timer creation within the transaction is also rolled
back.

C.
Each instance of message driven beans has unique timers.

D.
When the server is shut down, the timer is persisted automatically and becomes active
again when the server is restarted.

E.
Timed notifications for all types of session beans can be scheduled by using this service.