EnsurepassQUESTION 151 You are working on a database that must be functioning 24 hours a day, 7 days a week. The database is configured in ARCHIVELOG mode. Which two options do you have for performing user-managed backups? (Choose two.)   A.      You can perform consistent backups only. B.      You can perform a complete database backup without shutting down the database instance. C.      You can back up data files Read more [...]