为自己加油

Examine this configuration:

While CDB1 is open,

‘/u02/app/oracle/fast_recover_area/cdb1/CDB1/controlfile02.ctl’is

Accidentally deleted. To recover from this critical failure, you execute these commands:

What will be the outcome?

A.
It will create ‘$ORACLE_HOME/dbs/cdb1/CDB1/controlfile02.ctl’
B.
It will create ‘/u01/app/oralce/oradata/CDB1/controlfile/controlfile02.ctl’.
C.
It will re-create
‘/u02/app/oracle/fast_recover_area/cdb1/CDB1/controlfile02.ctl’
D.
It will create
‘/u01/app/oracle/product/12.2.0.1/db_1/dbs/snapcf_cdb1control02.ctl’.
E.It will fail because there is no autobackup of the controlfiles.