In an iostat r

题目

In an iostat report, which of the following options best describes the value of % iowait?()

  • A、 The amount of time taken to service an I/O interrupt
  • B、 The percentage of time CPU(s) are waiting for page ins
  • C、 The percentage of time the CPU9(s) are waiting on network
  • D、 The percentage of time the CPU(s) are waiting for outstanding disk I/O requests
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相似问题和答案

第1题:

Anadministratorattemptedtorunasar-ureportandreceivedthefollowingerror:sar:0551-201Cannotopen/var/adm/sa/sa12.Whichofthefollowingshouldbescheduledinadm’scrontabtoenablesarreporting()

A.sar

B.sa1

C.vmo

D.iostat


参考答案:B

第2题:

在Solaris系统中,系统管理命令iostat的用途是()


正确答案:报告中央处理器(CPU)统计信息和整个系统、适配器、tty设备、磁盘和CD-ROM的输入/输出统计信息

第3题:

Ifasystemadministratorwantstoshowonlyadiskreportfordisk2,attwosecondintervals,whatisthecorrectcommandtorun?()

A.iostatdisk11

B.iostat-ddisk12

C.iostatdisk21

D.iostat-ddisk22


参考答案:D

第4题:

In an iostat report, which of the following options best describes the value of % idle?()

  • A、 A representation of the equation (tps/kbps)*100
  • B、 The percentage of time the disks are idle with no activity
  • C、 The percentage of time the disks are idle with no outstanding CPU requests
  • D、 The percentage of time the CPU is idle with no outstanding disk I/O requests

正确答案:D

第5题:

iostat可以查看服务器内存大小。


正确答案:错误

第6题:

HPUX下,哪些命令可以查看CPU的使用情况:()

  • A、sar
  • B、top
  • C、vmstat
  • D、iostat

正确答案:A,B,C

第7题:

In an iostat report, which of the following options best describes the value of % tm_act?()

  • A、 The total CPU usage for this drive
  • B、 The bandwidth utilization of the indicated drive
  • C、 It can best be represented by the equation (%iowait - %ioidle)
  • D、 It can best be represented by the equation (kilobytes read/kilobytes written) *100

正确答案:B

第8题:

WhichofthefollowingcommandsshouldbeusedtodeterminewhichdiskofasystemisexperiencingadiskI/Operformanceproblem?()

A.filemon

B.istat

C.vmstat

D.iostat


参考答案:D

第9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:D

第10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

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