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.