A. lsfs
B. iostat
C. lslv -p
D. lsvg -p
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A. nfso -d
B. nfso -c
C. startsrc -g nfs -d
D. startsrc -g nfs -r
To examine the Exhibit， press the Exhibit button. While a developer is compiling a C program， "vmstat 120 10" is run to determine the cause of a performance problem. Using the vmstat output as shown in the exhibit， which of the following conclusions is most appropriate to draw about the machine？（）
A. The machine has too many users.
B. The machine has an I/O bottleneck.
C. The machine has a CPU bottleneck.
D. The machine has a memory bottleneck.
A. tprof
B. topas
C. filemon
D. vmstat
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.
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
最新試題
Which of the following commands will only provide a snapshot of average memory usage for a process？（）
Which of the following logical volume placement policies is likely to give the best performance in most cases， all other factors being equal？（）
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？（）
Page replacements algorithm steals file pages only when percent of RAM occupied by filepages（）
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？（）
Which of the following RAID levels provide the best performance for a system where there are mostly writes occurring？（）
Which of the following options would best help to reduce packet fragmentation for a TCP application transferring large amounts of data between servers across a path of multiple networks？（）
In AIX 5L and later， the operating system supports the /proc filesystem. What would be the best description of the /proc filesystem？（）
The system administrator notices that IP packets are not getting forwarded. The system administrator wants to use an AIX machine as an internetwork router over TCP/IP networks. Which of the following commands will allow this change on the fly？（）
A system administrator would like to set a system to reboot after a crash. What is the best way to do this？（）