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单选题A customer is experiencing a performance bottleneck.  The server is performing sequential I/O requests with large block sizes of 64KB.  Improving which of the following storage subsystem characteristics has the biggest impact on this bottleneck？（）A See

题目
单选题
A customer is experiencing a performance bottleneck.  The server is performing sequential I/O requests with large block sizes of 64KB.  Improving which of the following storage subsystem characteristics has the biggest impact on this bottleneck？（）
A

Seek Time

B

Drive RPM

C

Data Transfer Rate

D

Rotational Latency

相似考题

1.A customer is experiencing a performance bottleneck in a disk subsystem.  The server is performing sequential I/O with a small number of users requesting large files.  Which of the following would most likely resolve the bottleneck？（）A、Increase seek translationB、Increase data transfer rateC、Decrease rotational latencyD、Increase rotational latency

2.A customer server has the maximum local storage installed. The customer plans to share this new storage with other servers. Which of the following provides that server additional storage？（）A、Add External Storage via EXP3000B、Replace current storage with more dense drivesC、Add External Storage via SAND、Add storage expansion blade

3. An  administrator  has  a  server  experiencing  performance  problems  with  logical  volumes  within  a particular volume group.  Which command can report I/O statistics for logical partitions with each logicalvolume within the volume group（）A、IslvB、vmstatC、iostatD、Ivmstat

4. A company needs additional storage for a block I/O based database application. The application has low I/O bandwidth requirements across the campus. The customer has a TCP/IP infrastructure and is interested in low-cost products that are compatible with its environment. Which technology is most appropriate for this customer?（）A、SANB、FCoEC、FCIPD、iSCSI

更多“单选题A customer is experiencing a performance bottleneck.  The server is performing sequential I/O requests with large block sizes of 64KB.  Improving which of the following storage subsystem characteristics has the biggest impact on this bottleneck？（）A See”相关问题

  • 第1题：

    A 4-way x445 server with 2GB of memory running Windows 2003 Server with Exchange 2003 is performing poorly.  Users are complaining of slow response times when accessing their email.  Which subsystem should be checked first as a potential bottleneck？（）

    • A、Processors
    • B、Memory subsystem
    • C、Storage subsystem
    • D、Network connectivity

    正确答案:B

  • 第2题：

    Which of the following environments is most closely addressed by the N series N3600?（）

    • A、a customer that requires block level storage 
    • B、a customer that requires CIFS and AIX NFS environments 
    • C、a customer that requires good scalability and performance 
    • D、a customer that needs to consolidate multiple storage controllers under a single interface

    正确答案:B

  • 第3题：

    In order to determine how efficiently an application is reading and writing data， which of the following utilities will report read and write sizes on disk I/O requests？（）

    • A、 tprof
    • B、 iostat
    • C、 svmon
    • D、 filemon

    正确答案:D

  • 第4题：

    Which of the following products helps a customer identify a performance bottleneck?（）

    • A、Tivoli Storage Manager 
    • B、Tivoli Storage Productivity Center for Disk 
    • C、Tivoli Storage Productivity Center for Data 
    • D、Tivoli Storage Productivity Center for Replication

    正确答案:B

  • 第5题：

    A customer is experiencing a performance bottleneck.  The server is performing sequential I/O requests with large block sizes of 64KB.  Improving which of the following storage subsystem characteristics has the biggest impact on this bottleneck？（）

    • A、Seek Time
    • B、Drive RPM
    • C、Data Transfer Rate
    • D、Rotational Latency

    正确答案:B

  • 第6题：

    单选题
    An  administrator  has  a  server  experiencing  performance  problems  with  logical  volumes  within  a particular volume group.  Which command can report I/O statistics for logical partitions with each logicalvolume within the volume group（）
    A

    Islv

    B

    vmstat

    C

    iostat

    D

    Ivmstat


    正确答案： A
    解析： 暂无解析

  • 第7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8题：

    单选题
    A system administrator has a server experiencing performance problems with logical volumes within a particular volume group. Which command can report I/O statistics for logical partitions with each logical volume within the volume group？（）
    A

    lslv

    B

    lsvg

    C

    iostat

    D

    lvmstat


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    A customer is experiencing a performance bottleneck.  The server is performing sequential I/O requests with large block sizes of 64KB.  Improving which of the following storage subsystem characteristics has the biggest impact on this bottleneck？（）
    A

    Seek Time

    B

    Drive RPM

    C

    Data Transfer Rate

    D

    Rotational Latency


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    Which of the following customer environments is addressed by IBM System Storage N series gateways?（）
    A

     a customer with CIFS, NFS and GPFS requirements 

    B

     a customer wanting to natively implement Easy Tier 

    C

     a customer who has large block sequential write requirements 

    D

     a customer who needs to consolidate multiple storage controllers under one managementinterface 


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    A customer has a requirement for a storage solution that meets the following criteria：       （1）Heterogeneous hosts attached       （2）Support for block I/O       （3）High Speed       （4）Scalable  Which solution would satisfy the customer’s requirement？（）
    A

    SAN

    B

    NAS

    C

    SCSI

    D

    iSCSI


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following products helps a customer identify a performance bottleneck?（）
    A

    Tivoli Storage Manager 

    B

    Tivoli Storage Productivity Center for Disk 

    C

    Tivoli Storage Productivity Center for Data 

    D

    Tivoli Storage Productivity Center for Replication


    正确答案： A
    解析： 暂无解析

  • 第13题：

    A customer has requested an initial proposal for two x346s to be used as file servers.  They feel that using a direct attached DS4300 with ten 146GB drives will be more than sufficient storage space.  They do not currently own any IBM equipment.  An answer to which of the following questions would be of greatest benefit when looking to enhance the offering at minimal expense and ensure a good end user experience？（）

    • A、Has a SATA drive expansion enclosure been considered for the DS4300？
    • B、Is there a concern for overall disk subsystem I/O performance？
    • C、Has an IBM Director Server been considered to monitor the environment？
    • D、What will their storage requirements be over the next 12 months？

    正确答案:B

  • 第14题：

    Which of the following customer environments is addressed by IBM System Storage N series gateways?（）

    • A、 a customer with CIFS, NFS and GPFS requirements 
    • B、 a customer wanting to natively implement Easy Tier 
    • C、 a customer who has large block sequential write requirements 
    • D、 a customer who needs to consolidate multiple storage controllers under one managementinterface 

    正确答案:D

  • 第15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16题：

    A customer has a requirement for a storage solution that meets the following criteria：       （1）Heterogeneous hosts attached       （2）Support for block I/O       （3）High Speed       （4）Scalable  Which solution would satisfy the customer’s requirement？（）

    • A、SAN
    • B、NAS
    • C、SCSI
    • D、iSCSI

    正确答案:A

  • 第17题：

    单选题
    A customer server has the maximum local storage installed. The customer plans to share this new storage with other servers. Which of the following provides that server additional storage？（）
    A

    Add External Storage via EXP3000

    B

    Replace current storage with more dense drives

    C

    Add External Storage via SAN

    D

    Add storage expansion blade


    正确答案： D
    解析： 暂无解析

  • 第18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19题：

    单选题
    Which of the following environments is most closely addressed by the N series N3600?（）
    A

    a customer that requires block level storage 

    B

    a customer that requires CIFS and AIX NFS environments 

    C

    a customer that requires good scalability and performance 

    D

    a customer that needs to consolidate multiple storage controllers under a single interface


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    A company needs additional storage for a block I/O based database application. The application has low I/O bandwidth requirements across the campus. The customer has a TCP/IP infrastructure and is interested in low-cost products that are compatible with its environment. Which technology is most appropriate for this customer?（）
    A

    SAN

    B

    FCoE

    C

    FCIP

    D

    iSCSI


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    A university researcher needs a large server with high numeric computing capacity to do computational fluid dynamics calculations.  The pSeries technical specialist has a recent pSeries and RS/6000 Performance Report.  Which of the following tables should be consulted to advise the customer concerning relative performance of various models？（）
    A

    rPerf

    B

    ROLTP

    C

    SPECfp

    D

    SPECint


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    A customer has requested an initial proposal for two x346s to be used as file servers.  They feel that using a direct attached DS4300 with ten 146GB drives will be more than sufficient storage space.  They do not currently own any IBM equipment.  An answer to which of the following questions would be of greatest benefit when looking to enhance the offering at minimal expense and ensure a good end user experience？（）
    A

    Has a SATA drive expansion enclosure been considered for the DS4300？

    B

    Is there a concern for overall disk subsystem I/O performance？

    C

    Has an IBM Director Server been considered to monitor the environment？

    D

    What will their storage requirements be over the next 12 months？


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    A customer is experiencing a performance bottleneck in a disk subsystem.  The server is performing sequential I/O with a small number of users requesting large files.  Which of the following would most likely resolve the bottleneck？（）
    A

    Increase seek translation

    B

    Increase data transfer rate

    C

    Decrease rotational latency

    D

    Increase rotational latency


    正确答案： B
    解析： 暂无解析

  • 第24题：

    单选题
    A customer has an IBM System Storage DS8100 at their primary site and a DS6800 at their recovery site, 9.5 kilometers away. They want to replicate data for disaster recovery backup with the least impact on performance. Which of the following products best accomplishes this task?（）
    A

    Global Copy

    B

    Metro Mirror

    C

    Global Mirror

    D

    Metro/Global Mirror


    正确答案： C
    解析： 暂无解析

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