Which tool is based on the AIX trace facility？（）

A、 no

B、 netpmon

C、 entstat

D、 nfso

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  C、旋转

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• You wish to enable an audit policy for all database users, except SYS, SYSTEM, and SCOTT.You issue the following statements: SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYS;SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYSTEM; SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SCOTT; For which database users is the audit policy now active?（）

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  B、All users except SCOTT

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  B、Restartable backups 

  C、Rescheduable backups 

  D、Automatic backup recovery 

  E、Channel recovery

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