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11G OCP认证考试的科目是1Z0-053，这门考试题库由killtest专业IT认证讲师及产品专家精心打造，包括了当前最新的全真的考试试题，全部附有正确答案。
同时免费提供下载11G OCP认证考试题库试用版本：（部分考题如下）
1.You are not sure if Flashback Database is enabled. What database column and view can you query to see if the flashback logs are being created in the flash recovery area?
A. Query the initialization parameter FLASHBACK_DATABASE in VJINSTANCE.
B. Query the FLASHBACK_ENABLED column in VJDATABASE.
C. Query the FLASHBACK column in VJDATABASE..
D. Query the FLASHBACK_ON column in VJDATABASE.
Answer: D
