第4题
A.are to hold
B.is to hold
C.will be held
D.holds
第5题
A.RAID6withsix250GBharddrives
B.RAID5withfive250GBharddrives
C.RAID0withfour250GBharddrives
D.RAID10witheight250GBharddrives
第6题
A.are to hold
B.is to hold
C.will be held
D.holds
第7题
A. It detects any configuration change that caused a performance difference in both time periods.
B. It identifies any workload change that caused a performance difference in both time periods.
C. It detects the top wait events causing performance degradation.
D. It shows the resource usage for CPU, memory, and I/O in both time periods.
E. It shows the difference in the size of memory pools in both time periods.
F. It gives information about statistics collection in both time periods.
第8题
A.To play the piano.
B.To give a performance.
C.To sing a song.
第9题
A.There is no impact on performance
B.The overhead depends on the settings of the Performance Schema
C.There is an overhead for querying the Performance Schema but not for having it enabled
D.There is a constant overhead regardless of settings and workload
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