A. Too many nfsd’s running
B. Client and server with different buffer sizes
C. Bridges， routers or gateways are receiving too many fragmentated packets
D. Too few nfsd’s running
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A. schedtune -h
B. schedtune -r
C. vmtune -f
D. schedtune -w
A. lsfs
B. iostat
C. lslv -p
D. lsvg -p
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
最新試題
Which of the following procedures WILL NOT increase contiguous free space on a the filesystem /data1， located on /dev/lv01， that is heavily fragmented？（）
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 metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）
Which of the following commands will only provide a snapshot of average memory usage for a process？（）
Which command series should be used to determine whether file paging or paging space paging is a problem when running a program from an idle system？（）
Which of the following commands is run to adjust the number of free paging-space pages at which AIX begins killing processes？（）
A system administrator would like to set a system to reboot after a crash. What is the best way to do this？（）
A system administrator increases the mbuf pool allocation， then runs vmstat. It is noticed that the paging rate has not decreased. What is the most effective option to maintain the mbuf pool and decrease paging？（）
In AIX 5L and later， the operating system supports the /proc filesystem. What would be the best description of the /proc filesystem？（）