OCP 19c 认证1Z0-083考试题库（-1题）
OCP 19c 认证1Z0-083考试题库（-1题）-CUUG内部学员版083题库解析
1.Which three are true about thresholds, metrics, and server-generated alerts? (Choose three.)
A. All metrics are instance related.
B. Cleared stateful alerts are displayed by querying DBA_ALERT_HISTORY.
C. A space usage management alert is automatically cleared after the underlying problem is resolved.
D. They are generated by SMON when a tablespace is 97% full.
E. Metrics are statistical counts for a specific unit.
F. STATISTICS_LEVEL must be set to ALL to generate alerts.
Answer: BCE
(解析：阈值预警进入 DBA_OUTSTANDING_ALERTS 清空后进入 DBA_ALERT_HISTORY。)
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