单选题A customer has a file server using RAID-5 with 8KB sequential write operations.  How should the disk controller cache be configured for optimal performance and data integrity？（）A Use write-back cache with battery backup enabledB Use write-through cache

题目
单选题
A customer has a file server using RAID-5 with 8KB sequential write operations.  How should the disk controller cache be configured for optimal performance and data integrity？（）
A

Use write-back cache with battery backup enabled

B

Use write-through cache with battery backup enabled

C

Use read-back cache with battery backup enabled

D

Use read-through cache with battery backup enabled

相似考题

1.You need to write a code segment that transfers the contents of a byte array named dataToSendby using a NetworkStream object named netStream.You need to use a cache of size 8,192 bytes.Which code segment should you use?（）A.B.C.D.

2. Which Coherence caching pattern matches the sequence of events ？（）  1. Data is requested from cache  2. The requested data does not exist in the cache （cache miss）  3. The Coherence cache store is used to red data from the back-end persistent data source， and placed in ther cache  4. Data requested from the cache is returned to the callerA、 read throughB、 write throughC、 refresh aheadD、 write behind

3. A customer using an IBM System Storage DS8300 is facing performance problems. After the analysis by the technical specialist， the diagnosis indicates that the cache hits may be improved by a cache upgrade.  How can the system be monitored in order to check the benefits of the cache upgrade（）A、using the "vmstat" command on the AIX servers connected via SAN to the DS8300 systemB、looking at the number of I/O managed by the DS8300 systemC、reading the performance reports via TotalStorage Productivity Center for DiskD、generating reports using the TotalStorage Expert

4.A customer is building a database server， and the server does sequential write most of the time.  They are planning to use an IBM x445 and a ServeRAID-6M adapter.  Which of the following fault tolerant RAID levels will perform best for sequential write？（）A、RAID-5 with cache write backB、RAID-1E with cache write backC、RAID-10 with cache write thruD、RAID-50 with cache write thru

更多“单选题A customer has a file server using RAID-5 with 8KB sequential write operations.  How should the disk controller cache be configured for optimal performance and data integrity？（）A Use write-back cache with battery backup enabledB Use write-through cache”相关问题

  • 第1题：

    Which of the following can help prevent data loss on a RAID array in the event of a power failure？（）

    • A、Using a RAID mirror
    • B、A battery backed write cache
    • C、Using RAID with parity
    • D、A battery backed read cache

    正确答案:B

  • 第2题：

    A customer has a file server with RAID-5 using 8KB random I/Os， with 67% reads and 33% writes.  How should the disk controller cache be configured for optimal performance？（）

    • A、Use write-back cache
    • B、Use write-back cache with battery backup
    • C、Use write-through cache with disk caching enabled
    • D、Use write-through cache with disk caching disabled

    正确答案:D

  • 第3题：

    A customer has a file server using RAID-5 with 8KB sequential write operations.  How should the disk controller cache be configured for optimal performance and data integrity？（）

    • A、Use write-back cache with battery backup enabled
    • B、Use write-through cache with battery backup enabled
    • C、Use read-back cache with battery backup enabled
    • D、Use read-through cache with battery backup enabled

    正确答案:A

  • 第4题：

    You have installed two 64G flash devices to support the Database Smart Flash Cache feature on your database server that is running on Oracle Linux. You have set the DB_SMART_FLASH_FILE parameter: DB_FLASH_CACHE_FILE= ‘/dev/flash_device_1 ‘,’ /dev/flash_device_2’ How should the DB_FLASH_CACHE_SIZE be configured to use both devices?（）

    • A、Set DB_FLASH_CACHE_SIZE=64G
    • B、Set D3_FLASH_CACHE_SIZE=64G, 64G
    • C、Set D3_FLASK_CACKE_SI2E=128G
    • D、db_flash_cache_SI2E is automatically configured by the instance at startup

    正确答案:B

  • 第5题：

    All servers in your environment run Windows Server 2008 R2. All client computers ru n Windows 7. Each client computer has at least 2 5 GB free disk space. You virtualize applications by using Microsoft Application Virtualization (App - V). The App - V client cache is set to 4096 MB. User profiles are virtualized and stored on a server. You ne ed to increase the size of the file system cache on a client computer to at least 10 GB. What should you do?（）

    • A、Use the AppVCacheSize tool to set the maximum cache size to 10240.
    • B、Use the AppVCacheSize tool to set the minimum free disk space threshold to 1 0240.
    • C、Set the HKLM / SOFTWARE / Microsoft / SoftGrid / 4.5 / Client /AppFS/ State registry key to 10240.
    • D、Set the HKLM / SOFTWARE / Microsoft / SoftGrid / 4.5 / Client /AppFS/ FileSize registry key to 10240.

    正确答案:B

  • 第6题：

    Your company has a domain controller that runs Windows Server 2008. The domain controller has the backup features installed. You need to perform a non-authoritative restore of the doman controller using an existing backup file. What should you do（）

    • A、Boot into Directory Services Restore Mode and use wbadmin to restore critical volume.
    • B、Boot into Directory Services Restore Mode and use the backup snap-in to restore critical volume
    • C、Boot into Safe Mode and use wbadmin to restore critical volume
    • D、Boot into Safe Mode and use the backup snap-in to restore critical volume

    正确答案:A

  • 第7题：

    单选题
    You have a domain controller that runs Windows Server 2008 R2. The Windows Server Backup  feature is installed on the domain controller.   You need to perform a non-authoritative restore of the domain controller by using an existing  backup file.     What should you do（）
    A

    Restart the domain controller in Directory Services Restore Mode. Use the WBADMIN command to perform a critica

    B

    Restart the domain controller in Directory Services Restore Mode. Use the Windows Server Backup snap-in to perf

    C

    Restart the domain controller in safe mode. Use the Windows Server Backup snap-in to perform a critical volume re

    D

    Restart the domain controller in safe mode. Use the WBADMIN command to perform a critical volume restore.


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    An xSeries specialist monitors a customer’s server that has poor performance.  The customer is running an x365 with a ServeRAID 6i controller with write-back cache turned on and ten 15K rpm drives in a RAID-5 array.  It is a mission-critical server and must have a redundant storage system.  Performance tests indicate that the Average Disk sec/Transfer exceeds 20 ms.  Which of the following is the lowest-cost method to increase the throughput？（）
    A

    Disable the ServRAID cache

    B

    Change the RAID level to 10

    C

    Change the cache level to Write Through

    D

    Add five more drives to the array to increase the number of read/write heads


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    A customer has a file server using RAID-5 with 8KB sequential write operations.  How should the disk controller cache be configured for optimal performance and data integrity？（）
    A

    Use write-back cache with battery backup enabled

    B

    Use write-through cache with battery backup enabled

    C

    Use read-back cache with battery backup enabled

    D

    Use read-through cache with battery backup enabled


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    Your company has Windows Server 2008 R2 file servers.   You need to recommend a data recovery strategy that meets the following requirements：   èBackups must have a minimal impact on performance.   èAll data volumes on the file server must be backed up daily.   èIf a disk fails， the recovery strategy must allow individual files to be restored.   èUsers must be able to retrieve previous versions of files without the intervention of an administrator.   What should you recommend？（）
    A

    Deploy File Server Resource Manger （FSRM）. Use Windows Server Backup to perform a daily backup to an external disk.

    B

    Deploy Windows Automated Installation Kit （Windows AIK）. Enable shadow copies for the volumes that contain shared user data. Store the shadow copies on a separate physical disk.

    C

    Use Windows Server Backup to perform a daily backup to an external disk. Enable shadow copies for the volumes that contain shared user data. Store the shadow copies on a separate physical disk.

    D

    Use Windows Server Backup to perform a daily backup to a remote network share. Enable shadow copies for the volumes that contain shared user data. Store the shadow copies in the default location.


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    A customer using an IBM System Storage DS8300 is facing performance problems. After the analysis by the technical specialist， the diagnosis indicates that the cache hits may be improved by a cache upgrade.  How can the system be monitored in order to check the benefits of the cache upgrade（）
    A

    using the vmstat command on the AIX servers connected via SAN to the DS8300 system

    B

    looking at the number of I/O managed by the DS8300 system

    C

    reading the performance reports via TotalStorage Productivity Center for Disk

    D

    generating reports using the TotalStorage Expert


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    You have a domain controller that runs Windows Server 2008 R2. The Windows Server Backup   feature is installed on the domain controller.   You need to perform a non-authoritative restore of the domain controller by using an existing backup file. What should you do（）
    A

    Restart the domain controller in Directory Services Restore Mode. Use the WBADMIN command to perform a critical volume restore.

    B

    Restart the domain controller in Directory Services Restore Mode. Use the Windows Server Backup  snap-in to perform a critical volume restore.

    C

    Restart the domain controller in safe mode. Use the Windows Server Backup snap-in to perform a  critical volume restore.

    D

    Restart the domain controller in safe mode. Use the WBADMIN command to perform a critical volume  restore.


    正确答案： C
    解析： 暂无解析

  • 第13题：

    An xSeries specialist monitors a customer’s server that has poor performance.  The customer is running an x365 with a ServeRAID 6i controller with write-back cache turned on and ten 15K rpm drives in a RAID-5 array.  It is a mission-critical server and must have a redundant storage system.  Performance tests indicate that the Average Disk sec/Transfer exceeds 20 ms.  Which of the following is the lowest-cost method to increase the throughput？（）

    • A、Disable the ServRAID cache
    • B、Change the RAID level to 10
    • C、Change the cache level to Write Through
    • D、Add five more drives to the array to increase the number of read/write heads

    正确答案:C

  • 第14题：

    A customer has an x445 and uses the internal LSI adapter to manage two 146GB drives in the chassis.  The customer is noticing performance issues when deploying a database with significant write activity on the internal drives.  Should they consider using a ServeRAID-6M with 256MB of cache instead， and why or why not？（）

    • A、Yes， the internal LSI SCSI adapter has no write cache.
    • B、Yes， the internal LSI SCSI adapter is unreliable.
    • C、No， the downtime to install the card and reformat the drives would be cost prohibitive.
    • D、No， there will be no performance benefit， because drive performance is the bottleneck.

    正确答案:A

  • 第15题：

    A customer using an IBM System Storage DS8700 is facing performance problems. After the analysis by the technical specialist， the diagnosis indicates that the cache hits may be improved by a cache upgrade.  How can the system be monitored in order to check the benefits of the cache upgrade（）

    • A、using the "vmstat" command on the AIX servers connected via SAN to the DS8700 system
    • B、look at the IOPS using the DS8700
    • C、reading the performance reports via Tivoli Storage Productivity Center for Disk
    • D、generating reports using theTotalStorage Expert

    正确答案:C

  • 第16题：

    You have a domain controller that runs Windows Server 2008 R2. The Windows Server Backup  feature is installed on the domain controller.   You need to perform a non-authoritative restore of the domain controller by using an existing  backup file.     What should you do（）

    • A、Restart the domain controller in Directory Services Restore Mode. Use the WBADMIN command to perform a critica
    • B、Restart the domain controller in Directory Services Restore Mode. Use the Windows Server Backup snap-in to perf
    • C、Restart the domain controller in safe mode. Use the Windows Server Backup snap-in to perform a critical volume re
    • D、Restart the domain controller in safe mode. Use the WBADMIN command to perform a critical volume restore.

    正确答案:A

  • 第17题：

    Your company has Windows Server 2008 R2 file servers.   You need to recommend a data recovery strategy that meets the following requirements：   èBackups must have a minimal impact on performance.   èAll data volumes on the file server must be backed up daily.   èIf a disk fails， the recovery strategy must allow individual files to be restored.   èUsers must be able to retrieve previous versions of files without the intervention of an administrator.   What should you recommend？（）

    • A、Deploy File Server Resource Manger （FSRM）. Use Windows Server Backup to perform a daily backup to an external disk.
    • B、Deploy Windows Automated Installation Kit （Windows AIK）. Enable shadow copies for the volumes that contain shared user data. Store the shadow copies on a separate physical disk.
    • C、Use Windows Server Backup to perform a daily backup to an external disk. Enable shadow copies for the volumes that contain shared user data. Store the shadow copies on a separate physical disk.
    • D、Use Windows Server Backup to perform a daily backup to a remote network share. Enable shadow copies for the volumes that contain shared user data. Store the shadow copies in the default location.

    正确答案:C

  • 第18题：

    单选题
    Your company has a domain controller that runs Windows Server 2008. The domain controller has the backup features installed. You need to perform a non-authoritative restore of the doman controller using an existing backup file. What should you do（）
    A

    Boot into Directory Services Restore Mode and use wbadmin to restore critical volume.

    B

    Boot into Directory Services Restore Mode and use the backup snap-in to restore critical volume

    C

    Boot into Safe Mode and use wbadmin to restore critical volume

    D

    Boot into Safe Mode and use the backup snap-in to restore critical volume


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    A customer has a file server with RAID-5 using 8KB random I/Os， with 67% reads and 33% writes.  How should the disk controller cache be configured for optimal performance？（）
    A

    Use write-back cache

    B

    Use write-back cache with battery backup

    C

    Use write-through cache with disk caching enabled

    D

    Use write-through cache with disk caching disabled


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    Which Coherence caching pattern matches the sequence of events ？（）  1. Data is requested from cache  2. The requested data does not exist in the cache （cache miss）  3. The Coherence cache store is used to red data from the back-end persistent data source， and placed in ther cache  4. Data requested from the cache is returned to the caller
    A

     read through

    B

     write through

    C

     refresh ahead

    D

     write behind


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    A customer is building a database server， and the server does sequential write most of the time.  They are planning to use an IBM x445 and a ServeRAID-6M adapter.  Which of the following fault tolerant RAID levels will perform best for sequential write？（）
    A

    RAID-5 with cache write back

    B

    RAID-1E with cache write back

    C

    RAID-10 with cache write thru

    D

    RAID-50 with cache write thru


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    A customer has an x445 and uses the internal LSI adapter to manage two 146GB drives in the chassis.  The customer is noticing performance issues when deploying a database with significant write activity on the internal drives.  Should they consider using a ServeRAID-6M with 256MB of cache instead， and why or why not？（）
    A

    Yes， the internal LSI SCSI adapter has no write cache.

    B

    Yes， the internal LSI SCSI adapter is unreliable.

    C

    No， the downtime to install the card and reformat the drives would be cost prohibitive.

    D

    No， there will be no performance benefit， because drive performance is the bottleneck.


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    You have installed two 64G flash devices to support the Database Smart Flash Cache feature on your database server that is running on Oracle Linux. You have set the DB_SMART_FLASH_FILE parameter: DB_FLASH_CACHE_FILE= ‘/dev/flash_device_1 ‘,’ /dev/flash_device_2’ How should the DB_FLASH_CACHE_SIZE be configured to use both devices?（）
    A

    Set DB_FLASH_CACHE_SIZE=64G

    B

    Set D3_FLASH_CACHE_SIZE=64G, 64G

    C

    Set D3_FLASK_CACKE_SI2E=128G

    D

    db_flash_cache_SI2E is automatically configured by the instance at startup


    正确答案： B
    解析： 暂无解析

  • 第24题：

    单选题
    A customer using an IBM System Storage DS8700 is facing performance problems. After the analysis by the technical specialist， the diagnosis indicates that the cache hits may be improved by a cache upgrade.  How can the system be monitored in order to check the benefits of the cache upgrade（）
    A

    using the vmstat command on the AIX servers connected via SAN to the DS8700 system

    B

    look at the IOPS using the DS8700

    C

    reading the performance reports via Tivoli Storage Productivity Center for Disk

    D

    generating reports using theTotalStorage Expert


    正确答案： B
    解析： 暂无解析

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