Oracle 11G OCP 1Z0-052 76

（76）Which statement is true about a whole consistent database backup on a database running in ARCHIVELOG mode?

A. The backup will consist of used data blocks only.

B. The database must be shut down to accomplish the backup.

C. The backup can be accomplished without shutting down the database.

D. The backup will contain all database files that have never been backed up.

答案：（B）

解析：

題目要求是consistent backup,所以要關庫

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