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单选题
A system administrator ran the iostat command because of system performance problems. The following iostat output is provided： Based on the output， which of the following is insufficient？（）
A
CPU
B
Memory
C
Paging space
D
Disk capacityX
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更多 “单选题A system administrator ran the iostat command because of system performance problems. The following iostat output is provided： Based on the output， which of the following is insufficient？（）A CPUB MemoryC Paging spaceD Disk capacityX” 相关考题
考题
A system administrator has run topas on a server. The output shows that the %iowait of the system is 60% and that most of the disk activity is on hdisk0. Which of the following procedures should be performed to fix this problem?（）A、 Replace the hard disk with a faster disk drive. B、 Add another paging space on another hdisk. C、 Spread the data hdisk0 across several hdisks. D、 Nothing, since %iowait is a measurement of CPU time.
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A user is complaining that they ran out of paging space. Which of the following will address this and provide best performance（）A、Expand the default paging space to the largest possible sizeB、Create a new larger paging spaceC、Create additional paging spaces of equal size on different disksD、Reboot system
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The Business Partner technical specialist is called to determine if the addition of host ports on an IBM System Storage DS8700 has improved users’ response times for an IBM System p server running SAP. How can the improvement be verified（）A、check the output of the "vmstat" command on LINUXB、check the performance reports via Tivoli Storage Productivity Center for DataC、check the performance reports via Tivoli Storage Productivity Center for DiskD、check the output of the "iostat" command on AIX
考题
Which of the following commands should be used to observe the number of system calls per second? （）A、 sar B、 iostat C、 svmon D、 vmstat
考题
Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）A、 tinB、 toutC、 % idleD、 % tm_act
考题
Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound？（）A、 % idleB、 % sysC、 % userD、 % iowait
考题
If a system administrator wants to show only a disk report for disk2, at two second intervals, what is the correct command to run?（）A、 iostat disk1 1 B、 iostat -d disk1 2 C、 iostat disk2 1 D、 iostat -d disk2 2
考题
Which of the following phrases is TRUE regarding monitoring disk I/O with iostat？（）A、 The iostat can only be run as the root userB、 There could be zero percent I/O wait and still be an I/O bottleneckC、 Any I/O wait time displayed in output of "iostat" is an indication of severe I/O bottlenecks D、 Running "iostat" without any arguments/parameters is sufficient for resolving I/O bottlenecks
考题
Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem？（）A、 filemonB、 istatC、 vmstatD、 iostat
考题
A system administrator is monitoring a system that has recently shown a decrease in performance.The administrator suspects that the system may be low on memory and may be paging excessively.Which of the following commands is best to identify a possible paging problem？（）A、iostatB、netstatC、psD、vmstat
考题
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？（）A、 foo ； lsps -sB、 tprof -kx ； fooC、 iostat ； foo ； iostatD、 vmstat -s ； foo ； vmstat s
考题
A system is experiencing performance problems. After checking the CPU usage, the problem identified is that the system is "CPU Bound". Which of the following outcomes will determine if there is a possible CPU constraint?（）A、 Low paging B、 High paging C、 Workload manager is not turned on D、 A high run queue length
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单选题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
考题
单选题Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem？（）A
filemonB
istatC
vmstatD
iostat
考题
单选题Which of the following commands should be used to observe the number of system calls per second? （）A
sar B
iostat C
svmon D
vmstat
考题
单选题A user is complaining that they ran out of paging space. Which of the following will address this and provide best performance（）A
Expand the default paging space to the largest possible sizeB
Create a new larger paging spaceC
Create additional paging spaces of equal size on different disksD
Reboot system
考题
单选题If a system administrator wants to show only a disk report for disk2, at two second intervals, what is the correct command to run?（）A
iostat disk1 1 B
iostat -d disk1 2 C
iostat disk2 1 D
iostat -d disk2 2
考题
单选题The Business Partner technical specialist is called to determine if the addition of host ports on an IBM System Storage DS8700 has improved users’ response times for an IBM System p server running SAP. How can the improvement be verified（）A
check the output of the vmstat command on LINUXB
check the performance reports via Tivoli Storage Productivity Center for DataC
check the performance reports via Tivoli Storage Productivity Center for DiskD
check the output of the iostat command on AIX
考题
单选题A system administrator periodically receives calls from users who complain about poor performance with their application. Use the following sar command output to answer the question： Which of the following system resources need more investigation？（）A
CPUsB
DiskC
MemoryD
NetworkX
考题
单选题A system is experiencing performance problems. After checking the CPU usage, the problem identified is that the system is "CPU Bound". Which of the following outcomes will determine if there is a possible CPU constraint?（）A
Low paging B
High paging C
Workload manager is not turned on D
A high run queue length
考题
单选题A system administrator suspects that there were problems with the AIX installation on a pSeries server. Which of the following commands can be used， with the appropriate flags， to view the BOS installation output files？（）A
alogB
errptC
lscfgD
installp
考题
单选题Which of the following phrases is TRUE regarding monitoring disk I/O with iostat？（）A
The iostat can only be run as the root userB
There could be zero percent I/O wait and still be an I/O bottleneckC
Any I/O wait time displayed in output of iostat is an indication of severe I/O bottlenecks D
Running iostat without any arguments/parameters is sufficient for resolving I/O bottlenecks
考题
单选题A system administrator has run topas on a server. The output shows that the %iowait of the system is 60% and that most of the disk activity is on hdisk0. Which of the following procedures should be performed to fix this problem?（）A
Replace the hard disk with a faster disk drive. B
Add another paging space on another hdisk. C
Spread the data hdisk0 across several hdisks. D
Nothing, since %iowait is a measurement of CPU time.
考题
单选题A system administrator is monitoring a system that has recently shown a decrease in performance.The administrator suspects that the system may be low on memory and may be paging excessively.Which of the following commands is best to identify a possible paging problem？（）A
iostatB
netstatC
psD
vmstat
考题
单选题Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound？（）A
% idleB
% sysC
% userD
% iowait
考题
单选题Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）A
tinB
toutC
% idleD
% tm_act
考题
单选题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？（）A
foo ； lsps -sB
tprof -kx ； fooC
iostat ； foo ； iostatD
vmstat -s ； foo ； vmstat s
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