Which two statements are true about the fault tolerance feature of TIBCO ActiveMatrix BusinessWorks applications? (Choose two.)

Which two statements are true about the fault tolerance feature of TIBCO ActiveMatrix BusinessWorks applications? (Choose two.)
A . Managed fault tolerance requires persistence mode to be set to memory, while non-managed fault tolerance requires persistence mode to be set to group.
B . Managed fault tolerance requires persistence mode to be set to group, while non-managed fault tolerance requires persistence mode to be set to datastore.
C . Managed fault tolerance supports checkpointing. while non-managed fault tolerance does not support checkpointing.
D . Managed fault tolerance requires activation mode to be set to Single AppNode. while non-managed fault tolerance requires activation mode to be set to Multiple
E . In managed fault tolerance. AppNodes are aware of other AppModes in the AppSpace. while in non-managed fault tolerance. AppModes are unaware of other AppModes in the AppSpace.

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Answer: B.E