Which two sources should you check for the alert inform…

You define the warning threshold for the tablespace usage metric for the USERS tablespace to be 60% and the
critical threshold to be 80%.
Which two sources should you check for the alert information when either the warning or the critical threshold is
exceeded? (Choose two.)

A.
the alert log

B.
Oracle Enterprise Manager Cloud Control

C.
DBA_ALERT_HISTORY

D.
DBA_OUTSTANDING_ALERTS

E.
DBA_ACTIVE_SESSION_HISTORY

F.
DBA_THRESHOLDS