单项选择题

When setting up schedules and enforcing scheduling of different types of workloads， which of the following are critical performance issues？（）

A. Disk fragmentation
B. Performance results analysis
C. Capacity forecasting and planning
D. Resource contention and availability

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单项选择题

To examine the Exhibit， press the Exhibit button. Using the output of "lslv" as shown in the exhibit， and given that logical volume lv00 is only located on hdisk0， which of the following conclusions is most appropriate to draw？（）

A. Logical volume lv00 is fragmented on hdisk0
B. Logical volume lv00 size cannot be increased
C. Logical volume lv00 is used for paging space on hdisk0
D. Logical volume lv00 is the only logical volume on hdisk0

单项选择题

The nice value is 80 in the ps listing. Which command is used to change this to a value of 100？（）

A. renice 100 {PID}
B. renice -n 20 {PID}
C. renice --20 {PID}
D. renice -n -100 {PID}

单项选择题

Page replacements algorithm steals file pages only when percent of RAM occupied by filepages（）

A. falls below minperm.
B. is between minperm and maxperm.
C. higher than maxperm.
D. lower than maxperm.