53、Which two are true about server-generated alerts?
A. Stateful alerts must always be cleared manually.
B. They are visible in Oracle Enterprise Manager by default.
C. All stateful alerts can be found in DBA_ALERT_HISTORY.
D. They can be based only on database metrics.
E. Stateless alerts cannot be found in DBA_OUTSTANDING_ALERTS.
F. They can be based only on instance metrics.
Correct Answer: BE
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