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View the Exhibit to examine the parameters set for your database instance.You execute the following command to perform I/O calibration after the declaration of bind variables in the session that are used in the command: Which statement describes the consequence?（）
A:The command produces an error.
B:The calibration process runs successfully and populates all the bind variables.
C:The calibration process runs successfully but the latency time is not computed.
D:The calibration process runs successfully but only the latency time is computed.Only users with the SYSDBA privilege can run this procedure. Qualified users must also turn on timed_statistics, and ensure asynch_io is enabled for datafiles.

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出自：Oracle认证

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