In your database, the locally managed tablespace, USERS, has the default space usage alert set to 85% for the
warning level and 97% for the critical level.
Which two statements are true? (Choose two.)
A.
Alerts are recorded in both Oracle Enterprise Manager Cloud Control and DBA_OUTSTANDING_ALERTS
only when the critical threshold is exceeded.
B.
Alert settings for the warning and critical levels must be disabled before taking the USERS tablespace offline.
C.
Alerts that are triggered are automatically recorded in DBA_ALERT_HISTORY after they are cleared.
D.
Alerts are triggered when the space usage reaches the warning level, again when it reaches the critical
level, and yet again when the space usage falls below the critical level.