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、

题目

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 
相似考题

1.With Cisco NX-OS on a Cisco Nexus platform， which command shows memory usage， total processes， and CPU state？（）A、 show memory detailedB、 show process cpu sortedC、 show system resourcesD、 show hardware capacity

2.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.

3.Performance monitoring of a poorly performing system indicates a high level of CPU usage. Which tool can be used to help identify which processes are using excessive CPU resources？（）A、sarB、topasC、iostatD、vmstat

4.Which of the following commands should be used to monitor disk utilization during the time a system is experiencing a disk I/O performance problem？（）A、 istatB、 topasC、 vmstatD、 filemon

参考答案和解析
正确答案:D
更多“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、”相关问题

  • 第1题：

    In which of the following places is it BEST to put the paging system file？（）

    • A、 Non-system partition
    • B、 System partition
    • C、 Flash hard drive
    • D、 External hard drive

    正确答案:A

  • 第2题：

    In a system with high CPU utilization， which of the following will help the MOST to minimize the performance impact of parity overhead in RAID 5？（）

    • A、Use all SAS Drives
    • B、Triple Channel RAM
    • C、Use all Solid State Drives
    • D、Hardware RAID Controller

    正确答案:D

  • 第3题：

    A customer needs to remove an unnecessary, but active paging space called paging00 on an AIX 5L system.  Which of the following procedures should be used to properly remove the paging space with the least amount of disruption?（）

    • A、Remove the paging space with the rmps command. 
    • B、Disable the paging space with the chps command, swapoff /dev/paging00, and remove the paging00 logical volume with the rmps command. 
    • C、Reboot the system and disable the paging space with the rmps command. 
    • D、Disable the paging space with the chps command, swapoff /dev/paging00, reboot the system, remove the paging00 logical volume with the rmps command. 

    正确答案:B

  • 第4题：

    While monitoring a system using vmstat， which of the following options most likely indicates that the system is CPU bound？（）

    • 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

    正确答案:D

  • 第5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、 filemon
    • B、 istat
    • C、 vmstat
    • D、 iostat

    正确答案:D

  • 第6题：

    A system administrator has a server that is performing poorly. The vmstat command identifies that high CPU usage is the problem. Which of the following commands can be used to identify the eight most active processes running on the server？（）

    • A、ps -ef -t8
    • B、sar -u -p 8
    • C、vmstat -t 8
    • D、topas -p8 -n0 -d0

    正确答案:D

  • 第7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 -s
    • B、 tprof -kx ； foo
    • C、 iostat ； foo ； iostat
    • D、 vmstat -s ； foo ； vmstat s

    正确答案:D

  • 第8题：

    单选题
    A system administrator has a server that is performing poorly. The vmstat command identifies that high CPU usage is the problem. Which of the following commands can be used to identify the eight most active processes running on the server？（）
    A

    ps -ef -t8

    B

    sar -u -p 8

    C

    vmstat -t 8

    D

    topas -p8 -n0 -d0


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    A customer indicates that a system is experiencing printing problems. After checking the system, and successfully printing, no problem has been found.  Which of the following procedures should be performed next to further clarify the problem?（）
    A

     Reboot the system.

    B

     Check the file system sizes.

    C

     Have the customer repeat the task to recreate the problem.

    D

     Inform the customer that no problems were found， and to call back if the problem reoccurs.


    正确答案： D
    解析： 暂无解析

  • 第10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 


    正确答案： D
    解析： 暂无解析

  • 第11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.


    正确答案： C
    解析： 暂无解析

  • 第12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 -s

    B

     tprof -kx ； foo

    C

     iostat ； foo ； iostat

    D

     vmstat -s ； foo ； vmstat s


    正确答案： C
    解析： 暂无解析

  • 第13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 size
    • B、Create a new larger paging space
    • C、Create additional paging spaces of equal size on different disks
    • D、Reboot system

    正确答案:C

  • 第14题：

    A user reports that their PC is making a strange noise. Which of the following is the cause of the problem?（）

    • A、A network cable is vibrating against the system case.
    • B、An internal wire is improperly routed and is hitting the CPU fan.
    • C、The thermal grease on the CPU has dried out and needs to be replaced.
    • D、The CPU needs to be reseated.

    正确答案:B

  • 第15题：

    After completing an installation of new software， a system administrator notices the system is slow.  To troubleshoot the performance， which single AIX command could be used to provide a real-time display of CPU， memory and disk utilization（）

    • A、topas
    • B、vmo
    • C、iostat
    • D、netstat

    正确答案:B

  • 第16题：

    Which of the following outputs will best indicate if a system is CPU bound?（）

    • A、 %idle < 10% 
    • B、 %usr + %sys > 80% 
    • C、 %sys + %wio > 80% 
    • D、 %wio + %idle > 80%

    正确答案:B

  • 第17题：

    A customer indicates that a system is experiencing printing problems. After checking the system, and successfully printing, no problem has been found.  Which of the following procedures should be performed next to further clarify the problem?（）

    • A、 Reboot the system.
    • B、 Check the file system sizes.
    • C、 Have the customer repeat the task to recreate the problem.
    • D、 Inform the customer that no problems were found， and to call back if the problem reoccurs.

    正确答案:C

  • 第18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、iostat
    • B、netstat
    • C、ps
    • D、vmstat

    正确答案:D

  • 第19题：

    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


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    A user reports that their PC is making a strange noise. Which of the following is the cause of the problem?（）
    A

    A network cable is vibrating against the system case.

    B

    An internal wire is improperly routed and is hitting the CPU fan.

    C

    The thermal grease on the CPU has dried out and needs to be replaced.

    D

    The CPU needs to be reseated.


    正确答案： A
    解析： 暂无解析

  • 第21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

     filemon

    B

     istat

    C

     vmstat

    D

     iostat


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    Which of the following outputs will best indicate if a system is CPU bound?（）
    A

     %idle < 10% 

    B

     %usr + %sys > 80% 

    C

     %sys + %wio > 80% 

    D

     %wio + %idle > 80%


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    While monitoring a system that is CPU bound， which of the following output is most likely to occur？（）
    A

    A

    B

    B

    C

    C

    D

    D


    正确答案： A
    解析： 暂无解析

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