Oracle 11G OCP 1Z0-053 303

（303）What is the purpose of the RMAN recovery catalog? (Choose all that apply.)

A. It must be used because all RMAN-related backup and recovery metadata information is contained in it.

B. It provides a convenient, optional, repository of backup- and recovery-related metadata.

C. It provides the ability to store RMAN scripts for global use by any database that has access to the repository.

D. It provides a means of storing all RMAN backup sets physically in an Oracle database server.

E. It provides the ability to store backup records for more than a year.

答案：（B、C、E）

解析：

A（X），不是必須，也可以使用控制檔案來記錄備份和恢復的資訊。

D（X），

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