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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?()Afoo ; lsps -sBtprof -kx ; fooCiostat ; foo ; iostatDvmstat -s ; foo ; vmstat s

题目
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


相似考题
参考答案和解析
正确答案: C
解析: 暂无解析
更多“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”相关问题
  • 第1题:

    Which of the following statements is TRUE concerning the po column of the vmstat command?()

    • 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.

    正确答案:D

  • 第2题:

    Which command will activate a defined paging space?()

    • A、swapon paging01
    • B、chps a y paging01
    • C、mkps a /dev/paging01
    • D、swap a /dev/paging01

    正确答案:A

  • 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:

    An AIX system administrator wants to reset the level at which the SIGDANGER signal is sent to processes so appropriate actions can be taken when paging space is running low.  Which of the following commands is used to reset the level?()

    • A、 vmtune -w
    • B、 svmon -w
    • C、 schedtune -w
    • D、 vmstat -s

    正确答案:A

  • 第5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6题:

    Because of performance problems, capacity needs to be added to a paging space named  paging01 on hdisk1. The physical partition size of hdisk1 is 4MB.  Which command will increase the size of paging01 by 100MB()

    • A、chlv -a paging01 25
    • B、chps -s 25 paging01
    • C、mkps -a 25 paging01
    • D、extendlv -a paging01 25

    正确答案:B

  • 第7题:

    单选题
    An AIX system administrator wants to reset the level at which the SIGDANGER signal is sent to processes so appropriate actions can be taken when paging space is running low.  Which of the following commands is used to reset the level?()
    A

     vmtune -w

    B

     svmon -w

    C

     schedtune -w

    D

     vmstat -s


    正确答案: A
    解析: 暂无解析

  • 第8题:

    单选题
    While a user 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?()
    A

     There is a file I/O bottleneck.

    B

     There are too many open files. 

    C

     There appears to be a buffer shortage. 

    D

     There is a paging space I/O bottleneck. 


    正确答案: D
    解析: 暂无解析

  • 第9题:

    单选题
    Which of the following statements is TRUE concerning the po column of the vmstat command?()
    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.


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    Which command will activate a defined paging space?()
    A

    swapon paging01

    B

    chps a y paging01

    C

    mkps a /dev/paging01

    D

    swap a /dev/paging01


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    When monitoring a system using vmstat with an interval, the metrics under page po represent which of the following phrases?()
    A

     The number pages over the limit

    B

     The pages to paging space per second

    C

     The number of page operations per second

    D

     The number of processes waiting for page out


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    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: A
    解析: 暂无解析

  • 第13题:

    When monitoring a system using vmstat with an interval, the metrics under page po represent which of the following phrases?() 

    • A、 The number pages over the limit
    • B、 The pages to paging space per second
    • C、 The number of page operations per second
    • D、 The number of processes waiting for page out

    正确答案:B

  • 第14题:

    Which command shows all the paging spaces available on a system?()  

    • A、lsps -a
    • B、showps -a
    • C、psdisplay -l
    • D、swaplist -ALL

    正确答案:A

  • 第15题:

    Which of the following commands will list available paging space on a system?()

    • A、lsps
    • B、lsps -a
    • C、lsps -pg
    • D、lsps ALL

    正确答案:B

  • 第16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17题:

    During a system boot, an error message appears concerning a paging space, paging00. The paging space was located on hdisk2, but the disk was removed from the system without proper software procedures. Which of the following commands should be used as the first step in the process of recovery?()

    • A、mkps paging00 hdisk0
    • B、chpv -v r hdisk2
    • C、chps -a n paging00
    • D、reducevg rootvg hdisk2

    正确答案:C

  • 第18题:

    Your Windows 2000 Professional system runs three applications at the same time in a manufacturing environment. After using System Monitor, you determine that the paging file could use some adjustment for performance enhancement. Sometimes the applications actually pause while waiting for the virtual memory. You have two hard disks in this computer. The second one holds user data, plus the boot partition. What are your options for the paging file?()

    • A、Set the Virtual Memory Manager option to demand paging with clustering.
    • B、On the Virtual Memory dialog box, decrease the space in memory the Registry can reserve.
    • C、Increase the paging file initial size.
    • D、Create a second paging file for the second hard drive.
    • E、Move the one paging file away from the active, system partition.

    正确答案:C,D,E

  • 第19题:

    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


    正确答案: C
    解析: 暂无解析

  • 第20题:

    单选题
    When monitoring a system using /usr/bin/vmstat with an interval, the metrics under page pi and page po represent which of the following phrases?()
    A

     The pages to and from paging space per second

    B

     The page intervals and page operations per second

    C

     The page interrupts and page operations per second

    D

     The page segments transferred between pi and po devices per second


    正确答案: B
    解析: 暂无解析

  • 第21题:

    单选题
    During a system boot, an error message appears concerning a paging space, paging00. The paging space was located on hdisk2, but the disk was removed from the system without proper software procedures. Which of the following commands should be used as the first step in the process of recovery?()
    A

    mkps paging00 hdisk0

    B

    chpv -v r hdisk2

    C

    chps -a n paging00

    D

    reducevg rootvg hdisk2


    正确答案: B
    解析: 暂无解析

  • 第22题:

    单选题
    Because of performance problems, capacity needs to be added to a paging space named  paging01 on hdisk1. The physical partition size of hdisk1 is 4MB.  Which command will increase the size of paging01 by 100MB()
    A

    chlv -a paging01 25

    B

    chps -s 25 paging01

    C

    mkps -a 25 paging01

    D

    extendlv -a paging01 25


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    Which JSP standard action can be used to import content from a resource called foo.jsp?()
    A

    <jsp:import file=’foo.jsp’ />

    B

    <jsp:import page=’foo.jsp’ />

    C

    <jsp:include page=’foo.jsp’ />

    D

    <jsp:include file=’foo.jsp’ />


    正确答案: D
    解析: 暂无解析