Oracle 11G OCP 1Z0-053 355

LuiseDalian發表於2014-09-26
Oracle
（355）When you're performing active database duplication, a backup of what kind is required?

A. A current RMAN backup-set backup is required.

B. No backup is required.

C. An RMAN image backup is required.

D. A manual backup is required.

E. A "duplicate" preparatory backup is required.

答案：（B）

解析：

可以直接複製一個活動的資料庫而不需要任何備份。

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