Which three statements are correct for automatic management of buffer pool storage in DB2 9?
(Choose three.)

A.
You do not need to ALTER BUFFERPOOL withAUTOSIZE(YES) to enable thi functionality.

B.
DB2 provides sizing information to WLM.

C.
DB2 communicates to WLM each time allied agents encounter delays due to read I/O.

D.
DB2 periodically reports BPOOL size and random read hit ratios to WLM.

E.
The automatic altered buffer pool sizes are resized to the original with the recycle of the subsystem.