The datafiles of your database are ASM files. You are performing a check for datafile block corruption by using the DBVERIFY utility. What is a prerequisite for checking block corruption on an ASM datafile by using the DBVERIFY utility?()
A: The block change tracking feature must be enabled.
B: OMF must be configured on your database.
C: The database must be in ARCHIVELOG mode.
D: A USERID must be supplied.
出自:Oracle认证