What will be the results of setting this parameter?

You have started an instance with the DBWR_IO_SLAVES initialization parameter set to 2.
What will be the results of setting this parameter? (Choose two.)

A.
The DISK_ASYNCH_IO initialization parameter will be set to True.

B.
The TAPE_ASYNCH_IO initialization parameter will be set to True.

C.
The database instance will simulate asynchronous input/output (I/O).

D.
Oracle server will update the value for the DB_CACHE_SIZE initialization parameter as per the system requirement.

E.
If the existing value of the DB_WRITER_PROCESSES initialization parameter is set to greater than 1, then the DB_WRITER_PROCESSES parameter will be set to 1.