问题

You are managing a 24*7 database. The

You are managing a 24*7 database. The backup strategy for the database is to perform user-managedbackups.Identify two prerequisites to perform the backups. (Choose two.)（）

A The database must be opened in restricted mode.
B The database must be configured to run in ARCHIVELOG mode.
C The tablespaces are required to be in backup mode before taking the backup.
D The tablespaces are required to be in read-only mode before taking the backu

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分类：1Z0-053题库

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