单选题Using output from "vmstat 2 8," which of the following options is most appropriate to consider when determining if a system is experiencing memory thrashing?（）Acy != 1 Bre != 0 Cpo/fr > 1/6 Dfr/po > 1/6

题目
单选题
Using output from "vmstat 2 8," which of the following options is most appropriate to consider when determining if a system is experiencing memory thrashing?（）
A

 cy != 1 

B

 re != 0 

C

 po/fr > 1/6 

D

 fr/po > 1/6

相似考题

1.Usingoutputfrom"vmstat28,"whichofthefollowingoptionsismostappropriatetoconsiderwhendeterminingifasystemisexperiencingmemorythrashing?()A.cy!=1B.re!=0C.po/fr>1/6D.fr/po>1/6

2.平面力系向点1简化时，主矢FR=0，主矩M1≠0，如将该力系向另一点2简化，则FR和M2分别等于： A.FR≠0，M2≠0 B. FR = 0，M2≠M1 C. FR=0，M2=M1 D.FR≠0，M2≠M1

3.When an ICMP redirect is received， which of the following options is the most appropriate to conclude？（）A、A routing table has changedB、The IP address has changedC、The system has become a gatewayD、A hacker is posing a threat to the system

4.The following output occurs on Router R2. Which of the following statements can be confirmed as true based on the output from R2?()R2 show ip policyInterface Route mapFa0／0 RM1Fa0／1 RM2S0／0／0 RM3A. R2 will forward all packets that enter Fa0/0 per the PBR configuration.B. R2 will use route map RM2 when determining how to forward packets that exit interface Fa0/1.C. R2 will consider using PBR for all packets exiting S0/0 /0 per route map RM3.D. R2 will consider using PBR for all packets entering S0/0/0 per route map RM3.

更多“单选题Using output from "vmstat 2 8," which of the following options is most appropriate to consider when determining if a system is experiencing memory thrashing?（）A  cy != 1 B  re != 0 C  po/fr  1/6 D  fr/po  1/6”相关问题

  • 第1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:A

  • 第2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3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4题：

    A customer has requested the most cost-effective p5 solution allowing for growth.  Which of the following should the pSeries technical specialist consider doing when configuring each p5 system using eConfig？（）

    • A、Implementing CoD
    • B、Using Express Configurations with processor upgrades
    • C、Meeting the minimum Value Pak rules
    • D、Engaging the pSeries representative to identify appropriate discounts

    正确答案:C

  • 第5题：

    When monitoring a system using vmstat with an interval， which of the following conclusions should be drawn about the metrics under page pi and page po？（）

    • A、 The values do not include working storage.
    • B、 The values do not include persistent storage.
    • C、 The values include both persistent and working storage.
    • D、 The values are not working or persistent storage.

    正确答案:B

  • 第6题：

    单选题
    When monitoring a system using vmstat with an interval， which of the following conclusions should be drawn about the metrics under page pi and page po？（）
    A

     The values do not include working storage.

    B

     The values do not include persistent storage.

    C

     The values include both persistent and working storage.

    D

     The values are not working or persistent storage.


    正确答案： C
    解析： 暂无解析

  • 第7题：

    单选题
    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
    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
    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11题：

    单选题
    The following output occurs on Router R2. Which of the following statements can be confirmed as true based on the output from R2?（） R2# show ip policy Interface Route map Fa0/0 RM1 Fa0/1 RM2 S0/0/0 RM3
    A

    R2 will forward all packets that enter Fa0/0 per the PBR configuration.

    B

    R2 will use route map RM2 when determining how to forward packets that exit interface Fa0/1.

    C

    R2 will consider using PBR for all packets exiting S0/0 /0 per route map RM3.

    D

    R2 will consider using PBR for all packets entering S0/0/0 per route map RM3.


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    When an ICMP redirect is received， which of the following options is the most appropriate to conclude？（）
    A

    A routing table has changed

    B

    The IP address has changed

    C

    The system has become a gateway

    D

    A hacker is posing a threat to the system


    正确答案： B
    解析： 暂无解析

  • 第13题：

    Using output from "vmstat 2 8," which of the following options is most appropriate to consider when determining if a system is experiencing memory thrashing?（）

    • A、 cy != 1 
    • B、 re != 0 
    • C、 po/fr > 1/6 
    • D、 fr/po > 1/6

    正确答案:C

  • 第14题：

    An administrator is adding additional memory into a server that registers 1GB of memory in the OS and notices that the system has 2GB of memory physically installed； however， the server only shows 1GB of memory during POST.  Which of the following is the MOST likely reason for this？（）

    • A、 The OS does not support more than 1GB of memory.
    • B、 The system memory has different manufacture dates.
    • C、 Two of the memory sticks are defective.
    • D、 The server is using memory interleaving.

    正确答案:C

  • 第15题：

    Which of the following can an operator use to shutdown a system into single-user mode?（）

    • A、shutdown -d
    • B、shutdown -s
    • C、shutdown -m
    • D、shutdown -Fr -s 1

    正确答案:C

  • 第16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17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18题：

    单选题
    Using output from "vmstat 2 8," which of the following options is most appropriate to consider when determining if a system is experiencing memory thrashing?（）
    A

     cy != 1 

    B

     re != 0 

    C

     po/fr > 1/6 

    D

     fr/po > 1/6


    正确答案： D
    解析： 暂无解析

  • 第19题：

    单选题
    A customer has requested the most cost-effective p5 solution allowing for growth.  Which of the following should the pSeries technical specialist consider doing when configuring each p5 system using eConfig？（）
    A

    Implementing CoD

    B

    Using Express Configurations with processor upgrades

    C

    Meeting the minimum Value Pak rules

    D

    Engaging the pSeries representative to identify appropriate discounts


    正确答案： B
    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
    Which of the following can an operator use to shutdown a system into single-user mode?（）
    A

    shutdown -d

    B

    shutdown -s

    C

    shutdown -m

    D

    shutdown -Fr -s 1


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    An administrator is adding additional memory into a server that registers 1GB of memory in the OS and notices that the system has 2GB of memory physically installed； however， the server only shows 1GB of memory during POST.  Which of the following is the MOST likely reason for this？（）
    A

     The OS does not support more than 1GB of memory.

    B

     The system memory has different manufacture dates.

    C

     Two of the memory sticks are defective.

    D

     The server is using memory interleaving.


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    An administrator is adding additional memory into a server that registers 1GB of memory in the OS and notices that the system has 2GB of memory physically installed; however, the server only shows 1GB of memory during POST. Which of the following is the MOST likely reason for this?（）
    A

    The OS does not support more than 1GB of memory.

    B

    The system memory has different manufacture dates.

    C

    Two of the memory sticks are defective.

    D

    The server is using memory interleaving.


    正确答案： B
    解析： 暂无解析

  • 第24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

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