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
第1题:
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; }
第2题:
A.错误
B.正确
第3题:
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)
第4题:
A.threshold2a
B.threshold2
C.threshold3a
D.threshold3
第5题:
A.错误
B.正确
第6题:
4、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)