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单选题In an iostat report， which of the following options best describes the value of % idle？（）AA representation of the equation （tps/kbps）*100BThe percentage of time the disks are idle with no activityCThe percentage of time the disks are idle with no outst

题目
单选题
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

相似考题

1.Which of the following is the BEST recovery method for a server that only aggregates report data and stores data on separate servers?()A. FullB. Disk imagingC. IncrementalD. Tape backup

2.In an iostat report， which of the following options best describes the value of % tm_act？（）A、 The total CPU usage for this driveB、 The bandwidth utilization of the indicated driveC、 It can best be represented by the equation （%iowait - %ioidle）D、 It can best be represented by the equation （kilobytes read/kilobytes written） *100

3.A user can no longer launch their word processing program. The program worked fine yesterday.Which of the following options could BEST be used to fix the word processing program?（）A、Safe ModeB、Automated System RecoveryC、Last Known Good ConfigurationD、System Restore

4.Users are complaining of slow performance. The iostat command indicates hdiskxxx is extremely busy. There is no activity on any other hdisks in the same volume group. Which of the following is the best action to take?（）A.Change intra policy to outerB.Change intra policy to centerC.Change inter policy to maximumD.Increase the physical partition size

更多“In an iostat report， which of the following options best des”相关问题

  • 第1题：

    Which of the following is the BEST recovery method for a server that only aggregates report data and stores data on separate servers?（）

    • A、Full
    • B、Disk imaging
    • C、Incremental
    • D、Tape backup

    正确答案:C

  • 第2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3题：

    An administrator attempted to run a sar -u report and received the following error： sar： 0551-201 Cannot open /var/adm/sa/sa12.  Which of the following should be scheduled in adm’s crontab to enable sar reporting（）

    • A、sar
    • B、sa1
    • C、vmo
    • D、iostat

    正确答案:B

  • 第4题：

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

    • A、 % idle
    • B、 % sys
    • C、 % user
    • D、 % iowait

    正确答案:D

  • 第5题：

    A DNS server for a large network is experiencing performance problems.  Which of the following options is the best solution to fix the problem？（）

    • A、Enable NIS
    • B、Purchase a larger server
    • C、Use /etc/hosts on all of the systems
    • D、Create secondary name servers throughout the network

    正确答案:D

  • 第6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7题：

    Users are complaining of slow performance. The iostat command indicates hdiskxxx is extremely busy. There is no activity on any other hdisks in the same volume group. Which of the following is the best action to take?（）

    • A、Change intra policy to outer
    • B、Change intra policy to center
    • C、Change inter policy to maximum
    • D、Increase the physical partition size

    正确答案:C

  • 第8题：

    单选题
    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


    正确答案： A
    解析： 暂无解析

  • 第9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10题：

    单选题
    A system administrator ran the iostat command because of system performance problems. The following iostat output is provided： Based on the output， which of the following is insufficient？（）
    A

    CPU

    B

    Memory

    C

    Paging space

    D

    Disk capacityX


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    Which of the following commands will fail？（）
    A

     report schema

    B

     report need backup

    C

     report need backup days 3

    D

     report user

    E

     report obsolete


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following is the BEST recovery method for a server that only aggregates report data and stores data on separate servers？（）
    A

     Full

    B

     Disk imaging

    C

     Incremental

    D

     Tape backup


    正确答案： B
    解析： 暂无解析

  • 第13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14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15题：

    Which of the following options best justifies why a DNS server should be run in a large network system？（）

    • A、To use ftp and telnet
    • B、To perform NFS mounts
    • C、To make /etc/hosts files unnecessary
    • D、To reduce network traffic and save bandwidth

    正确答案:C

  • 第16题：

    Which of the following phrases is TRUE regarding monitoring disk I/O with iostat？（）

    • A、 The iostat can only be run as the root user
    • B、 There could be zero percent I/O wait and still be an I/O bottleneck
    • C、 Any I/O wait time displayed in output of "iostat" is an indication of severe I/O bottlenecks 
    • D、 Running "iostat" without any arguments/parameters is sufficient for resolving I/O bottlenecks

    正确答案:B

  • 第17题：

    Selling the total solution includes adding services and financing options which ensures your customer will remain satisfied with their purchase. Which of the following best describes the benefits of Selling options， storage， services， and financing to your clients？（）

    • A、More face time with the executives
    • B、Enhanced credibility， higher profits， less competitive pressure
    • C、One source for elements， cleaner design， simpler support
    • D、Locks competitors out of account

    正确答案:C

  • 第18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19题：

    Which of the following commands will fail？（）  

    • A、 report schema
    • B、 report need backup
    • C、 report need backup days 3
    • D、 report user
    • E、 report obsolete

    正确答案:D

  • 第20题：

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

     % idle

    B

     % sys

    C

     % user

    D

     % iowait


    正确答案： A
    解析： 暂无解析

  • 第21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22题：

    单选题
    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： A
    解析： 暂无解析

  • 第23题：

    单选题
    Which of the following options best justifies why a DNS server should be run in a large network system？（）
    A

    To use ftp and telnet

    B

    To perform NFS mounts

    C

    To make /etc/hosts files unnecessary

    D

    To reduce network traffic and save bandwidth


    正确答案： B
    解析： 暂无解析

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