单选题Which of the following commands can be used to determine if a disk drive is causing a bottleneck?()Avmstat Bfileplace Ciostat Dlvmstat

题目
单选题
Which of the following commands can be used to determine if a disk drive is causing a bottleneck?()
A

 vmstat 

B

 fileplace 

C

 iostat 

D

 lvmstat


相似考题
参考答案和解析
正确答案: A
解析: 暂无解析
更多“单选题Which of the following commands can be used to determine if a disk drive is causing a bottleneck?()A  vmstat B  fileplace C  iostat D  lvmstat”相关问题
  • 第1题:

    Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound?()

    • A、 tin
    • B、 tout
    • C、 % idle
    • D、 % tm_act

    正确答案:D

  • 第2题:

    A System p administrator is attempting to restore some files from a backup tape. The restore failed. The system administrator suspects the block size of the tape drive is incorrect.  Which of the following commands can be used to determine the block size of the backup tape ()

    • A、dd
    • B、tar
    • C、cpio
    • D、restore

    正确答案:A

  • 第3题:

    Which of the following tools should be used to display the location of unused physical partitions on a disk drive?()

    • A、 df -k
    • B、 lsps
    • C、 lslv -p
    • D、 fileplace

    正确答案:C

  • 第4题:

    Which of the following commands can be used to determine if a disk drive is causing a bottleneck?()

    • A、 vmstat 
    • B、 fileplace 
    • C、 iostat 
    • D、 lvmstat

    正确答案:C

  • 第5题:

    Which of the following performance tools can be used to determine if a system is thrashing?()

    • A、 svmon and tprof
    • B、 vmtune and schedtune
    • C、 ps and schedtune
    • D、 vmstat and topas

    正确答案:D

  • 第6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7题:

    单选题
    Which of the following commands can be used to determine if a disk drive is causing a bottleneck?()
    A

     vmstat 

    B

     fileplace 

    C

     iostat 

    D

     lvmstat


    正确答案: C
    解析: 暂无解析

  • 第8题:

    单选题
    A System p administrator is attempting to restore some files from a backup tape. The restore failed. The system administrator suspects the block size of the tape drive is incorrect.  Which of the following commands can be used to determine the block size of the backup tape ()
    A

    dd

    B

    tar

    C

    cpio

    D

    restore


    正确答案: D
    解析: 暂无解析

  • 第9题:

    单选题
    Which of the following commands can be used to show all disks configured on the system?()
    A

    lsdev -C disk

    B

    lsdev -P disk

    C

    lsdev -Cc disk

    D

    lsdev -Pc disk


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    An AIX system administrator needs to adjust the maximum amount of memory that can be pinned. Which of the following commands is used to make the change?()
    A

     vmtune -M

    B

     svmon -m

    C

     vmstat -s

    D

     schedtune -m


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    Which of the following tools should be used to display the location of unused physical partitions on a disk drive?()
    A

     df -k

    B

     lsps

    C

     lslv -p

    D

     fileplace


    正确答案: B
    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:

    Which of the following commands should be used to determine whether a logical volume is contiguous across a disk?()

    • A、 lslv
    • B、 lsfs
    • C、 lspv
    • D、 fileplace

    正确答案:A

  • 第14题:

    Which of the following commands should be used to show the percentage of time that any given disk was busy?()

    • A、 ps
    • B、 tprof
    • C、 iostat
    • D、 vmstat

    正确答案:C

  • 第15题:

    A system administrator is attempting to restore some files from a backup tape. The restore failed. The system administrator suspects the block size of the tape drive is incorrect. Which of the following commands can be used to determine the block size of the backup tape?()

    • A、dd
    • B、tar
    • C、cpio
    • D、restore

    正确答案:A

  • 第16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17题:

    单选题
    Which of the following commands should be used to determine whether a logical volume is contiguous across a disk?()
    A

     lslv

    B

     lsfs

    C

     lspv

    D

     fileplace


    正确答案: C
    解析: 暂无解析

  • 第18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19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


    正确答案: A
    解析: 暂无解析

  • 第20题:

    单选题
    Which of the following commands should be used to show the percentage of time that any given disk was busy?()
    A

     ps

    B

     tprof

    C

     iostat

    D

     vmstat


    正确答案: C
    解析: 暂无解析

  • 第21题:

    单选题
    A system administrator is attempting to restore some files from a backup tape. The restore failed. The system administrator suspects the block size of the tape drive is incorrect. Which of the following commands can be used to determine the block size of the backup tape?()
    A

    dd

    B

    tar

    C

    cpio

    D

    restore


    正确答案: A
    解析: 暂无解析

  • 第22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

     tin

    B

     tout

    C

     % idle

    D

     % tm_act


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    Which of the following performance tools can be used to determine if a system is thrashing?()
    A

     svmon and tprof

    B

     vmtune and schedtune

    C

     ps and schedtune

    D

     vmstat and topas


    正确答案: C
    解析: 暂无解析

  • 第24题:

    单选题
    A system administrator has a failed disk drive that is mirrored to another disk drive. They successfully removed the logical volume copies off of the failed disk drive. Which of the following commands should be used to remove the failed disk drive from the volume group?()
    A

    chvg

    B

    rmdev

    C

    reducevg

    D

    exportvg


    正确答案: D
    解析: 暂无解析