A. The sys is high when po is high.
B. The po represents the number of page steals.
C. The low values usually indicate insufficient paging space.
D. The low values usually indicate sufficient memory for the load.
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A. r is greater than 40
B. id is greater than 50
C. sum of id and wa equals 50
D. sum of us and sy equals 100
A. The amount of time taken to service an I/O interrupt
B. The percentage of time CPU（s） are waiting for page ins
C. The percentage of time the CPU9（s） are waiting on network
D. The percentage of time the CPU（s） are waiting for outstanding disk I/O requests
A. iptrace
B. vmstat
C. hostname
D. ifconfig
A. A representation of the equation （tps/kbps）*100
B. The percentage of time the disks are idle with no activity
C. The percentage of time the disks are idle with no outstanding CPU requests
D. The percentage of time the CPU is idle with no outstanding disk I/O requests
最新試題
Which of the following phrases is TRUE regarding monitoring disk I/O with iostat？（）
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Which of the following commands should be used to identify packet sequence problems？（）
Which of the following is true about rmss？（）
In order to determine how efficiently an application is reading and writing data， which of the following utilities will report read and write sizes on disk I/O requests？（）
Which of the following procedures WILL NOT increase contiguous free space on a the filesystem /data1， located on /dev/lv01， that is heavily fragmented？（）
After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）
When setting up schedules and enforcing scheduling of different types of workloads， which of the following are critical performance issues？（）
Which of the following logical volume placement policies is likely to give the best performance in most cases， all other factors being equal？（）
When monitoring a system using vmstat with an interval， which of the following conclusions should be drawn about the metrics under page pi and page po？（）