单选题The statistics for a poorly performing x366 system are as follows:      (1)Processor: 90% for 5 second increments   (2)Memory page faults: 20/second average over 15 minutes      (3)Disk: disk time 1%  Which of the following will provide the greatest pe

题目
单选题
The statistics for a poorly performing x366 system are as follows:      (1)Processor: 90% for 5 second increments   (2)Memory page faults: 20/second average over 15 minutes      (3)Disk: disk time 1%  Which of the following will provide the greatest performance improvement?()
A

Add memory

B

Add a processor

C

Add a faster disk subsystem

D

Exchange the processor with a faster processor


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更多“单选题The statistics for a poorly performing x366 system are as follows:      (1)Processor: 90% for 5 second increments   (2)Memory page faults: 20/second average over 15 minutes      (3)Disk: disk time 1%  Which of the following will provide the greatest pe”相关问题
  • 第1题:

    Thestatisticsforapoorlyperforming,dual-processorx365systemareasfollows:(1)Processor:80%for5-secondincrements(2)Memorypagefaults:360/secondaverageover15minutes(3)Disk%disktime:100%Whichofthefollowingwillprovidethegreatestperformanceimprovement?()

    A.Addmemory

    B.Addaprocessor

    C.Exchangetheexistingprocessorforafasterprocessor

    D.Addafasterdisksubsystem


    参考答案:A

  • 第2题:

    After installing a new hard drive into a server for the purpose of mirroring the data from the first drive to the second one, the server displays an “operating system not found” error. Which of the following should the technician do to boot the server from the original drive?()

    • A、Replace the second drive with a hot swappable one.
    • B、Swap the drive boot order in the BIOS
    • C、Make the second disk active under the disk management tool.
    • D、Rebuild the array using the hardware RAID tool at boot.

    正确答案:B

  • 第3题:

    In a three-disk volume group, a disk was physically removed from the system without performing any software procedures to properly remove the disk. Which of the following commands should be performed to recover from this error?()

    • A、extendvg
    • B、cfgmgr
    • C、reducevg
    • D、varyoffvg

    正确答案:C

  • 第4题:

    After completing an installation of new software, a system administrator notices the system is slow.  To troubleshoot the performance, which single AIX command could be used to provide a real-time display of CPU, memory and disk utilization()

    • A、topas
    • B、vmo
    • C、iostat
    • D、netstat

    正确答案:B

  • 第5题:

    Rootvg has just been mirrored to a second disk. Which of the following actions should be performed to boot the system off of either disk?()

    • A、Extendvg to include both disks in the rootvg
    • B、Copy the hd5 logical volume to hdisk1
    • C、Run the bosboot and bootlist commands
    • D、Reset the dump device to /dev/sysdumpnull

    正确答案:C

  • 第6题:

    The statistics for a poorly performing x366 system are as follows:      (1)Processor: 90% for 5 second increments   (2)Memory page faults: 20/second average over 15 minutes      (3)Disk: disk time 1%  Which of the following will provide the greatest performance improvement?()

    • A、Add memory
    • B、Add a processor
    • C、Add a faster disk subsystem
    • D、Exchange the processor with a faster processor

    正确答案:D

  • 第7题:

    You have a computer that runs Windows XP Professional. The computer has the following hardware installed: 3 GB page file, 2. 4 GHz processor, 2 GB of physical memory, 20 GB hard disk that has 1 GB of free space You need to enable hibernation support on the computer. What should you do first?() 

    • A、Upgrade the processor.
    • B、Add additional physical memory.
    • C、Increase the size of the page file.
    • D、Create additional free hard disk space.

    正确答案:D

  • 第8题:

    单选题
    Rootvg has just been mirrored to a second disk. Which of the following actions should be performed to boot the system off of either disk?()
    A

    Extendvg to include both disks in the rootvg

    B

    Copy the hd5 logical volume to hdisk1

    C

    Run the bosboot and bootlist commands

    D

    Reset the dump device to /dev/sysdumpnull


    正确答案: B
    解析: 暂无解析

  • 第9题:

    单选题
    A web server has to be available all the time.It has its own redundant power source anduninterruptible power supply(UPS).Which of the following actions will provide additional fault to lerance?()
    A

    Add a second DVD drive

    B

    Add an extended runtime module(ERM) to the UPS

    C

    Configure automated system recovery(ASR)

    D

    Add a second NIC


    正确答案: D
    解析: 暂无解析

  • 第10题:

    单选题
    If a system administrator wants to show only a disk report for disk2, at two second intervals, what is the correct command to run?()
    A

     iostat disk1 1 

    B

     iostat -d disk1 2 

    C

     iostat disk2 1 

    D

     iostat -d disk2 2


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    In a three-disk volume group, a disk was physically removed from the system without performing any software procedures to properly remove the disk. Which of the following commands should be performed to recover from this error?()
    A

    extendvg

    B

    cfgmgr

    C

    reducevg

    D

    varyoffvg


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    An application server is running slowly. After viewing performance monitoring data it is detected that the disk queue length is high. Which of the following could BEST resolve the situation?()
    A

    Add more disk drives.

    B

    Increase the amount of virtual memory.

    C

    Add a faster processor.

    D

    Add more memory to stop paging to disk.


    正确答案: B
    解析: 暂无解析

  • 第13题:

    Thestatisticsforapoorlyperformingx366systemareasfollows:(1)Processor:90%for5secondincrements(2)Memorypagefaults:20/secondaverageover15minutes(3)Disk:disktime1%Whichofthefollowingwillprovidethegreatestperformanceimprovement?()

    A.Addmemory

    B.Addaprocessor

    C.Addafasterdisksubsystem

    D.Exchangetheprocessorwithafasterprocessor


    参考答案:D

  • 第14题:

    Which of the following commands should be used to monitor disk utilization during the time a system is experiencing a disk I/O performance problem?()

    • A、 istat
    • B、 topas
    • C、 vmstat
    • D、 filemon

    正确答案:B

  • 第15题:

    If a system administrator wants to show only a disk report for disk2, at two second intervals, what is the correct command to run?()

    • A、 iostat disk1 1 
    • B、 iostat -d disk1 2 
    • C、 iostat disk2 1 
    • D、 iostat -d disk2 2

    正确答案:D

  • 第16题:

    The statistics for a poorly performing, dual-processor x365 system are as follows:     (1)Processor: 80% for 5-second increments   (2)Memory page faults: 360/second average over 15 minutes       (3)Disk % disk time: 100%   Which of the following will provide the greatest performance improvement?()

    • A、Add memory
    • B、Add a processor
    • C、Exchange the existing processor for a faster processor
    • D、Add a faster disk subsystem

    正确答案:A

  • 第17题:

    A mainframe customer has requested a proposal to replace an existing storage system. Which information does Disk Magic provide?()

    • A、logical volume sizes
    • B、cache usage by application
    • C、storage processor utilization
    • D、disk capacity needed forFlashCopy

    正确答案:C

  • 第18题:

    Your network contains a database server that runs Windows Server 2003 Standard Edition Service Pack 2 (SP2). The server has 1 GB of RAM and a single hard disk. Queries against the databases on the server are very slow. You discover that the hard disk on the server is very active. You are evaluating whether to add RAM to the server. You need to use System Monitor to find out whether adding RAM will decrease disk activity. Which performance counter should you monitor? ()

    • A、LogicalDisk : % Free Space
    • B、Memory : Pages Faults/sec
    • C、Memory : Free System Page Table Entries
    • D、Server Work Queues : Queue Length

    正确答案:B

  • 第19题:

    单选题
    The statistics for a poorly performing, dual-processor x365 system are as follows:     (1)Processor: 80% for 5-second increments   (2)Memory page faults: 360/second average over 15 minutes       (3)Disk % disk time: 100%   Which of the following will provide the greatest performance improvement?()
    A

    Add memory

    B

    Add a processor

    C

    Exchange the existing processor for a faster processor

    D

    Add a faster disk subsystem


    正确答案: D
    解析: 暂无解析

  • 第20题:

    单选题
    Which of the following commands should be used to monitor disk utilization during the time a system is experiencing a disk I/O performance problem?()
    A

     istat

    B

     topas

    C

     vmstat

    D

     filemon


    正确答案: B
    解析: 暂无解析

  • 第21题:

    单选题
    You have a computer that runs Windows XP Professional. The computer has the following hardware installed: 3 GB page file, 2. 4 GHz processor, 2 GB of physical memory, 20 GB hard disk that has 1 GB of free space You need to enable hibernation support on the computer. What should you do first?()
    A

    Upgrade the processor.

    B

    Add additional physical memory.

    C

    Increase the size of the page file.

    D

    Create additional free hard disk space.


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    After installing a new hard drive into a server for the purpose of mirroring the data from the first drive to the second one, the server displays an “operating system not found” error. Which of the following should the technician do to boot the server from the original drive?()
    A

    Replace the second drive with a hot swappable one.

    B

    Swap the drive boot order in the BIOS

    C

    Make the second disk active under the disk management tool.

    D

    Rebuild the array using the hardware RAID tool at boot.


    正确答案: C
    解析: 暂无解析

  • 第23题:

    单选题
    After completing an installation of new software, a system administrator notices the system is slow.  To troubleshoot the performance, which single AIX command could be used to provide a real-time display of CPU, memory and disk utilization()
    A

    topas

    B

    vmo

    C

    iostat

    D

    netstat


    正确答案: C
    解析: 暂无解析