The total CPU usage for this drive
The bandwidth utilization of the indicated drive
It can best be represented by the equation （%iowait - %ioidle）
It can best be represented by the equation （kilobytes read/kilobytes written） *100
第1题：
In an iostat report， which of the following options best describes the value of % tm_act？（）
第2题：
Which of the following is the BEST recovery method for a server that only aggregates report data and stores data on separate servers?（）
第3题：
A. Full
B. Disk imaging
C. Incremental
D. Tape backup
第4题：
An administrator attempted to run a sar -u report and received the following error： sar： 0551-201 Cannot open /var/adm/sa/sa12. Which of the following should be scheduled in adm’s crontab to enable sar reporting（）
第5题：
In an iostat report， which of the following options best describes the value of % idle？（）
第6题：
A user can no longer launch their word processing program. The program worked fine yesterday.Which of the following options could BEST be used to fix the word processing program?（）
第7题：
Which of the following commands should be used to observe the number of system calls per second? （）
第8题：
Users are complaining of slow performance. The iostat command indicates hdiskxxx is extremely busy. There is no activity on any other hdisks in the same volume group. Which of the following is the best action to take?（）
A.Change intra policy to outer
B.Change intra policy to center
C.Change inter policy to maximum
D.Increase the physical partition size
第9题：
Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）
第10题：
Which of the following options best justifies why a DNS server should be run in a large network system？（）