Oracle Database 12c Advance Adminstration1z0-063 Test 4

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Which three types of backups can be performed for a database running in NOARCHIVELOG mode? (Choose three.)

consistent whole database backup
backup of noncritical tablespaces without shutting down the instance
backup of the database without shutting down the instance
backup of only those blocks that have changed since the last backup while database is mounted
backup of only the used blocks in a critical tablespace (SYSTEM or SYSAUX) while the database is open

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