单项选择题

Which system resources does WLM have the capability to control?（）

A. CPU, Memory and Network I/O 
B. CPU, Memory and Disk I/O 
C. CPU and Memory 
D. CPU and Disk I/O

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单项选择题
Whichsaroptiongeneratesreal-timediskI Ostatistics?（）

A. sar -q 
B. sar -P 
C. sar -d 
D. sar -D 
单项选择题
To examine the Exhibit, press the Exhibit button. A user is compiling a C program.  A performance problem occurs and  vmstat 120 10  is run to determine the cause.  The vmstat output is provided in the exhibit.  Which of the following commands should be run to obtain more information about the problem?（）

A. lsps 
B. tprof 
C. iostat 
D. vmtune
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