Which three statements are true about server-generated alerts? (Choose three.)
A.
Server-generated alerts notify administrators of problems that cannot be resolved automatically.
B.
Alerts are not issued for locally managed read-only tablespaces.
C.
Response actions cannot be specified for server-generated alerts.
D.
Stateful alerts can be queried only from the DBA_ALERT_HISTORY view.
E.
When an alert is cleared, it is moved to the DBA_ALERT_HISTORY view.
Explanation:
https://docs.oracle.com/cd/B28359_01/server.111/b28310/schema001.htm#ADMIN10120