Which two statements are true about metrics in the DBMCLI utility? (Choose two.)
A. Metric values are computed and stored in memory, and then permanently stored on disk.
B. DBMCLI can be used to report on Exadata storage server metrics.
C. Metrics are reported as one of four types: cumulative, instantaneous, rate, or transition.
D. Fields in AlertHistory cannot be modified.
E. DBMCLI reported metrics are informational only and cannot be used to trigger alerts or reported events.
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