单项选择题
Which of the following RAID levels provide the best performance for a system where there are mostly writes occurring？（）
A. RAID 0
B. RAID 1
C. RAID 3
D. RAID 5
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单项选择题
IfpercentageofRAMoccupiedbyfilepagesfallsbelowminperm，pagereplacementalgorithmstealspagesfrom（）
A. file pages only.
B. computational pages only.
C. either file or computational pages.
D. working segment only. -
单项选择题
Whichofthefollowingperformancetoolswillworkwithoptimizedcodeandalsoprovidessourcestatementprofiling？（）
A. prof
B. gprof
C. kprof
D. tprof -
单项选择题
WhichofthefollowingoptionswouldbesthelptoreducepacketfragmentationforaTCPapplicationtransferringlargeamountsofdatabetweenserversacrossapathofmultiplenetworks？（）
A. Adjust Path MTU attributes， using the no command.
B. Adjust the status queue size on the adapters， using the chdev command.
C. Adjust ipforwarding to enabled， using the no command.
D. Adjust tcp_maxburst to enabled， using the no command.
