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Oracle 11G OCP 1Z0-053 194

原创 Oracle 作者:LuiseDalian 时间:2014-09-02 07:48:24 0 删除 编辑
(194)What is an obsolete backup set?

A. A backup set that is missing one or more backup set pieces

B. A backup that has exceeded the retention criteria and is no longer needed

C. A backup set that does not include archived redo logs

D. A backup set that can not be recovered due to corruption

E. A backup set superceded by a datafile copy

答案:(B)

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