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Oracle 11G OCP 1Z0-053 656

原创 Oracle 作者:LuiseDalian 时间:2014-11-17 07:19:10 0 删除 编辑
(656)The BACKUP_TAPE_IO_SLAVES parameter is set to FALSE for the database instance.

Which statement is true while performing a tape backup in an RMAN session?

A. The tape I/O performed is asynchronous

B. The tape buffer is allocated from the System Global Area(SGA)

C. The tape buffer is allocated from the Program Global Area(PGA)

D. Oracle I/O uses an interrupt mechanism to determine when each I/O completes

答案:(C)

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