Which two statements are true about setting the FAST_START_MTTR_TARGET initialization parameter to a nonzero value?

Which two statements are true about setting the FAST_START_MTTR_TARGET
initialization parameter to a nonzero value? (Choose two.)

A.
The MTTR advisor will be disabled

B.
Automatic checkpoint tuning will be enabled

C.
The value for the LOG_CHECKPOINT_INTERVAL initialization parameter will be
override the value for FAST_START_MTTR_TARGET

D.
The time taken to recover the instance after the crash is always exactly the same
as the value given for the FAST_START_MTTR_TARGET initialization parameter