Which two statements are true about setting the FAST_START_MTTR_TARGET initialization parameter to anonzero value（）

• 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 forFAST_START_MTTR_TARGET.
• D、The time taken to recover the instance after the crash is always exactly the same as the value given for theinitialization parameter.