多选题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.)（）AThe database must be opened in restricted mode.BThe database must be configured
题目
多选题
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 backup
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参考答案和解析
正确答案：
B,C
解析：
暂无解析