View the Exhibit that sets the threshold for the Current Open Cursors Count metric.Why is the Significance Level threshold type not available in the threshold setting?() A. because AWR baseline is not enabledB. because Current Open Cursors Count is not a basic metricC. because the STATISTICS_LEVEL parameter is set to BASICD. because the AWR baseline is a system-defined moving window baseline
View the Exhibit that sets the threshold for the Current Open Cursors Count metric.Why is the Significance Level threshold type not available in the threshold setting?()
A. because AWR baseline is not enabled
B. because Current Open Cursors Count is not a basic metric
C. because the STATISTICS_LEVEL parameter is set to BASIC
D. because the AWR baseline is a system-defined moving window baseline
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Thewarninglevelthresholdvalueforatablespace,EXECUTEDBMS_SERVER_ALERT.SET_THRESHOLD（dbms_server_alert.tablespace_pct_full，dbms_server_alert.operator_ge，80，dbms_server_alert.operator_ge，90，1，1，NULL，dbms_server_alert.object_type_tablespace，’DATA’）；Whatwillbetheresultofthecommand？（）
Click the Exhibit button.Referring to the exhibit, which statement contains the correct gateway parameters?() A. [edit security ike] user@host# show gateway ike-phase1-gateway { policy ike-policy1; address 10.10.10.1; dead-peer-detection { interval 20; threshold 5; } external-interface ge-1/0/1.0; }B. [edit security ike] user@host# show gateway ike-phase1-gateway { ike-policy ike-policy1; address 10.10.10.1; dead-peer-detection { interval 20; threshold 5; } external-interface ge-1/0/1.0; }C. [edit security ike] user@host# show gateway ike-phase1-gateway { policy ike1-policy; address 10.10.10.1; dead-peer-detection { interval 20; threshold 5; } external-interface ge-1/0/1.0; }D. [edit security ike] user@host# show gateway ike-phase1-gateway { ike-policy ike1-policy; address 10.10.10.1; dead-peer-detection { interval 20; threshold 5; } external-interface ge-1/0/1.0; }
假定DataFrame对象 temp中共有12列， 语句________删除空值（NaN）个数大于3的行。A．temp.dropna(threshold = 8)B．temp.dropna(threshold = 9)C．temp.dropna(threshold = 7)D．temp.dropna(threshold = 10)
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