Which two are true about server-generated alerts? (Choose two.)
A. Stateful alerts are preserved across instance restarts.
B. They are automatically written to alert.log.
C. By default, an email is sent by the database instance for each server-generated alert.
D. Stateless alerts can be found in DBA_OUTSTANDING_ALERTS.
E. By default, a server-generated alert is raised for each tablespace that has 85 % or more of its space used.