When monitoring a system using /usr/bin/vmstat with an inter

题目
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

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相似问题和答案

第1题:

WhichactionchangethedefaulteditorforALLusersonthesystemfromvitoedit()

A.Issuethecommand:exportEDITOR=/usr/bin/editediteachuser.profiletochangetheEDITORvalueto/usr/bin/edit

B.Modify/.profileandchangetheEDITORvariableto/usr/bin/edit

C.Modify/etc/environmentandaddEDITOR=/usr/bin/editexportEDITOR

D.Modify/etc/security/defaultsandchangetheEDITORvalueto/usr/bin/edit


参考答案:C

第2题:

A system administrator wants to run a script called myscript, but does not want to see the errors that might be generated by the script. How would this be accomplished?()

  • A、/usr/local/bin/myscript > /dev/null
  • B、/usr/local/bin/myscript < /dev/null
  • C、/usr/local/bin/myscript 2> /dev/null
  • D、/usr/local/bin/myscript 1> /dev/null

正确答案:C

第3题:

Whenrunonamachinecalledclient,whichofthefollowingcommandswillmountthe/usr/local/bindirectoryfromthehostoverthe/home/bindirectoryonclient?()

A.mounthost:/home/bin/usr/local/bin

B.mountclient:/home/bin/usr/local/bin

C.mount-nhost/usr/local/bin/home/bin

D.mount-ohost:/usr/local/bin/home/bin


参考答案:C

第4题:

A system administrator issued the errpt command and had no results. The system administrator determined that error logging was turned off. Which of the following commands should be used to start logging system errors?()

  • A、/usr/bin/errmsg
  • B、/usr/lib/errdemon
  • C、/usr/lib/errlogger
  • D、/usr/bin/errinstall

正确答案:B

第5题:

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、sar
  • B、topas
  • C、iostat
  • D、vmstat

正确答案:B

第6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7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8题:

Whichcronentrywillrun/usr/local/bin/myscriptat0500everySaturdayofthefollowing?()

A.05**6/usr/local/bin/myscript

B.056**/usr/local/bin/myscript

C.6**50/usr/local/bin/myscript

D.50Sat**/usr/local/bin/myscript


参考答案:A

第9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10题:

A system administrator has just finished upgrading a system to AIX 5.2. If there are future problems, the system administrator would like to add an entry to the AIX errorlog to record this event. Which of the following commands can be issued for this purpose?()

  • A、/usr/bin/errmsg "System upgraded to AIX 5.2"
  • B、/usr/bin/errlog "System upgraded to AIX 5.2"
  • C、/usr/bin/errupdate "System upgraded to AIX 5.2"
  • D、/usr/bin/errlogger "System upgraded to AIX 5.2"

正确答案:D

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