单选题A new Disaster Recovery site has been established using Metro Mirror to hold synchronous data at both sites. After the Metro Mirror is started， one of the most important applications， a DB2 database， slows down. An analysis shows that the I/O rate （esp

题目
单选题
A new Disaster Recovery site has been established using Metro Mirror to hold synchronous data at both sites. After the Metro Mirror is started， one of the most important applications， a DB2 database， slows down. An analysis shows that the I/O rate （especially write I/Os） is less than 40% compared to the former rates.  What is the best explanation for this behavior（）
A

the bandwidth of the PPRC connection between the two sites is too small

B

the DS8000 SFI at the remote site was shipped with slower disks

C

I/O rates vary， depending on the distance between the two sites and the rates cannot be changed easily， due to latency

D

the DB2 database does not work with Metro Mirror without an additional license

相似考题

1.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 CopyB. Metro MirrorC. Global MirrorD. Metro/Global Mirror

2.While discussing the customer’s environment the storage specialist discovers that the customerhas both Windows and UNIX servers running various applications. The customer is looking for acost effective 10 TB solution that includes a mirrored site to meet their Disaster Recovery plan.Which of the following solutions should be recommended？（）A、DS5020 system running Metro Mirror and Volume CopyB、Storwize V7000 running FlashCopy and Volume CopyC、DS5020 system runningFlashCopy and Enhanced Remote MirrorD、DS5300 system runningFlashCopy and Enhanced Remote Mirror

3.A customer requires an infrastructure to support disaster recovery of critical applications between two remote datacenters one in Tokyo and one in Beijing. The customer’s Recovery Point Objective （RPO） necessitates a six-hour window for a bandwidth of 100MB/s and a new Storage System for a total of 4TB of data. They estimate 100MB of new data produced hourly. What data synchronization method would be recommended to meet the requirements？（）A、Metro MirrorB、FlashcopyC、Global MirrorD、Snapshot

4.A customer is using Metro Mirror to mirror the company inventory database from an IBM System Storage DS8700 at their headquarters to a DS8300 at a remote site. Due to bandwidth concerns they are planning to change the mirroring mode to Global Mirroring. They have asked for assistance.What must be done to help the customer make the change?（）A. reboot the secondary systemB. rezone the Storage Area Network switchesC. break and re-establish the mirror relationshipD. increase the buffer credits in the HBAs to reflect the new mirror relationship

更多“单选题A new Disaster Recovery site has been established using Metro Mirror to hold synchronous data at both sites. After the Metro Mirror is started， one of the most important applications， a DB2 database， slows down. An analysis shows that the I/O rate （esp”相关问题

  • 第1题：

    A System z customer is planning to deploy the IBM System Storage DS6800 in each of threesmall data centers located around a large city. A backup data center with an IBM System StorageDS8100 will serve as the disaster recovery facility. Which advanced function can the customerimplement to meet disaster recovery requirements?（）

    • A、Global Mirror for zSeries
    • B、Metro Mirror
    • C、Global Copy
    • D、Metro/Global Mirror

    正确答案:B

  • 第2题：

    A customer needs a remote data copy， data migration， and off-site backup solution. The solution cannot impact application performance. The sites are over continental distances.  Which  characteristic of DS8700 Global Mirror makes it a good fit for this customer（）

    • A、it provides synchronous mirroring on both sides
    • B、it can be implemented withoutFlashCopy volumes at the target site
    • C、with Global Mirror， the Metro Mirror functions can be used over continental distances
    • D、it has almost no impact on application performance because of its extremely short and adjustable coordination time

    正确答案:D

  • 第3题：

    A customer has two data centers， 500 kilometers apart. The customer requests a proposal for new storage subsystems and a disaster recovery solution that provides consistent data in the event of a disaster at the local site.  Which IBM System Storage DS8000 solution should the storage  specialist propose to the client（）

    • A、Metro/Global Mirror
    • B、Metro Mirror
    • C、Global Copy
    • D、Global Mirror

    正确答案:D

  • 第4题：

    A customer requires an infrastructure to support disaster recovery of critical applications between two remote data centers. One data center is in Tokyo and one is in Beijing. The customer’s Recovery Point Objective （RPO） requires a six-hour window for a bandwidth of 100 MB/s and a new storage system for a total of 4 TB of data. They estimate 100 MB of new data produced hourly. What data synchronization method would be recommended to meet the requirements（）

    • A、Metro Mirror
    • B、FlashCopy
    • C、Global Mirror
    • D、Snapshot

    正确答案:C

  • 第5题：

    A new Disaster Recovery site has been established using Metro Mirror to hold synchronous data at both sites. After the Metro Mirror is started， one of the most important applications， a DB2 database， slows down. An analysis shows that the I/O rate （especially write I/Os） is less than 40% compared to the former rates.  What is the best explanation for this behavior（）

    • A、the bandwidth of the PPRC connection between the two sites is too small
    • B、the DS8000 SFI at the remote site was shipped with slower disks
    • C、I/O rates vary， depending on the distance between the two sites and the rates cannot be changed easily， due to latency
    • D、the DB2 database does not work with Metro Mirror without an additional license

    正确答案:C

  • 第6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

  • 第7题：

    A customer has one IBM System Storage DS8300 in their main data center with one IBM DS6800 at their Disaster Recovery （DR） site. They are using the Remote Mirror and Copy （RMC） feature between the sites. They utilize Tivoli Storage Manager for backups. They would like to replace a Microsoft Windows server at the main site with a server at the DR site with a minimal amount of downtime.  Which method will achieve their goals（）

    • A、locate the Tivoli Storage Manager data set for the server at the DR site， do a full backup， recover the data to the DS6800， and make the data availableto the server
    • B、create RMC relationships for all of the data on the server to the DS6800， shut down the server， and make the data available to the new server
    • C、shut down the server，create RMC relationships for all of the data on the server to the DS6800， and make the data available to the new server
    • D、recover the TSM backups to the DS6800 at the remote site， and make the data available to the new server

    正确答案:B

  • 第8题：

    单选题
    A customer has one IBM System Storage DS8300 in their main data center with one IBM DS6800 at their Disaster Recovery （DR） site. They are using the Remote Mirror and Copy （RMC） feature between the sites. They utilize Tivoli Storage Manager for backups. They would like to replace a Microsoft Windows server at the main site with a server at the DR site with a minimal amount of downtime.  Which method will achieve their goals（）
    A

    locate the Tivoli Storage Manager data set for the server at the DR site， do a full backup， recover the data to the DS6800， and make the data availableto the server

    B

    create RMC relationships for all of the data on the server to the DS6800， shut down the server， and make the data available to the new server

    C

    shut down the server，create RMC relationships for all of the data on the server to the DS6800， and make the data available to the new server

    D

    recover the TSM backups to the DS6800 at the remote site， and make the data available to the new server


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    A customer needs a remote data copy， data migration， and off-site backup solution. The solution cannot impact application performance. The sites are over continental distances.  Which  characteristic of DS8700 Global Mirror makes it a good fit for this customer（）
    A

    it provides synchronous mirroring on both sides

    B

    it can be implemented withoutFlashCopy volumes at the target site

    C

    with Global Mirror， the Metro Mirror functions can be used over continental distances

    D

    it has almost no impact on application performance because of its extremely short and adjustable coordination time


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    A new Disaster Recovery site has been established using Metro Mirror to hold synchronous data at both sites. After the Metro Mirror is started， one of the most important applications， a DB2 database， slows down. An analysis shows that the I/O rate （especially write I/Os） is less than 40% compared to the former rates.  What is the best explanation for this behavior（）
    A

    the bandwidth of the PPRC connection between the two sites is too small

    B

    the DS8000 SFI at the remote site was shipped with slower disks

    C

    I/O rates vary， depending on the distance between the two sites and the rates cannot be changed easily， due to latency

    D

    the DB2 database does not work with Metro Mirror without an additional license


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    A customer has two data centers， 500 kilometers apart. The customer requests a proposal for new storage subsystems and a disaster recovery solution that provides consistent data in the event of a disaster at the local site.  Which IBM System Storage DS8000 solution should the storage  specialist propose to the client（）
    A

    Metro/Global Mirror

    B

    Metro Mirror

    C

    Global Copy

    D

    Global Mirror


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    A company with three sites （one local production site， one intermediate site， and one remote site） wants to use Metro/Global Mirror.  Which statement is correct about the volumes at the intermediate site（）
    A

    the intermediate site volumes are Metro Mirror target volumes for the remote site

    B

    the intermediate site volumes are Global Mirror target volumes for the remote site

    C

    the intermediate site volumes are both Global Mirror source and Metro Mirror target at the same time

    D

    the intermediate site volumes are alsoFlashCopy sources for the remote site


    正确答案： C
    解析： 暂无解析

  • 第13题：

    A customer is using Metro Mirror to mirror the company inventory database from an IBM System Storage DS8700 at their headquarters to a DS8300 at a remote site. Due to bandwidth concerns they are planning to change the mirroring mode to Global Mirroring. They have asked for assistance. What must be done to help the customer make the change?（）

    • A、reboot the secondary system
    • B、rezone the Storage Area Network switches
    • C、break and re-establish the mirror relationship
    • D、increase the buffer credits in the HBAs to reflect the new mirror relationship

    正确答案:C

  • 第14题：

    A global customer’s IT strategy is based upon two DS8000 systems and an N series gateway. They want to protect their  business by implementing a disaster recovery solution. The storage specialist has recommended cascaded mirroring.  Which of the following is the business benefit of cascaded replication（）

    • A、it is cost efficient， as a single N series or DS8000 can have its controllers split between the  primary and secondary site and use semi- synchronousmirroring while using asynchronous mirroring to a third site
    • B、the second site acts as a repeater station so that greater geographical distances can be achieved
    • C、ITprovides high availability together with disaster recovery by implementing Metro/Global Mirror across three geographically dispersed systems
    • D、it guarantees data protection by implementing two synchronous copies of the primary site data

    正确答案:C

  • 第15题：

    Which IBM System Storage DS8000 copy function provides a three-site or three-copy solutionusing both synchronous and asynchronous replication?（）

    • A、FlashCopy
    • B、Metro/Global Mirror
    • C、Metro Mirror
    • D、Global Mirror

    正确答案:B

  • 第16题：

    A company with three sites （one local production site， one intermediate site， and one remote site） wants to use Metro/Global Mirror.  Which statement is correct about the volumes at the intermediate site（）

    • A、the intermediate site volumes are Metro Mirror target volumes for the remote site
    • B、the intermediate site volumes are Global Mirror target volumes for the remote site
    • C、the intermediate site volumes are both Global Mirror source and Metro Mirror target at the same time
    • D、the intermediate site volumes are alsoFlashCopy sources for the remote site

    正确答案:C

  • 第17题：

    A bank has requested proposals for a storage solution to upgrade their disaster recovery processes for their IBM System z， UNIX， and Microsoft Windows environment. The solution must simulate a multi-site environment and provide the customer the ability to evaluate Metro Mirror， Global Mirror， Global Mirror for z/OS， and FlashCopy. Floor space is limited.  Which solution best meets the specified requirements（）

    • A、two IBM System Storage DS8100 systems
    • B、one IBM System Storage DS8300 with LPAR
    • C、two IBM System Storage DS6800 systems in a single rack
    • D、one IBM System Storage DS6800

    正确答案:B

  • 第18题：

    A financial customer has three data centers that are approximately five kilometers apart. Their SAP application data needs to be kept synchronized within 10 milliseconds between the three sites. Which of the following solutions satisfies the customer's recovery time objective?（）

    • A、DS8700 systems at each site running Metro Mirror
    • B、DS5300 systems at each site running Metro Mirror
    • C、DS5100 systems at each site running Global Mirror
    • D、XIV systems at each site running synchronous mirroring

    正确答案:A

  • 第19题：

    单选题
    While discussing the customer’s environment the storage specialist discovers that the customerhas both Windows and UNIX servers running various applications. The customer is looking for acost effective 10 TB solution that includes a mirrored site to meet their Disaster Recovery plan.Which of the following solutions should be recommended？（）
    A

    DS5020 system running Metro Mirror and Volume Copy

    B

    Storwize V7000 running FlashCopy and Volume Copy

    C

    DS5020 system runningFlashCopy and Enhanced Remote Mirror

    D

    DS5300 system runningFlashCopy and Enhanced Remote Mirror


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    A financial customer has three data centers that are approximately five kilometers apart. Their SAP application data needs to be kept synchronized within 10 milliseconds between the three sites. Which of the following solutions satisfies the customer's recovery time objective?（）
    A

    DS8700 systems at each site running Metro Mirror

    B

    DS5300 systems at each site running Metro Mirror

    C

    DS5100 systems at each site running Global Mirror

    D

    XIV systems at each site running synchronous mirroring


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    A customer with an IBM Power System running AIX is using an IBM System Storage DS8100 inLocation A, and an IBM System Storage DS5100 in Location B. The distance between Location Aand Location B is 25 kilometers. The customer wants a redundant copy of the data inLocation Bfor disaster recovery. Which of the following solutions will best satisfy this requirement?（）
    A

    install FlashCopy on the DS8100 

    B

    install SAN Volume Controllers with FlashCopy

    C

    install SAN Volume Controllers with Metro Mirror 

    D

    install Global Mirror on the DS8100 and Enhanced Remote Mirror on the DS5100 


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    A financial customer has three data centers that are approximately five kilometers apart. Their SAP application data needs to be kept synchronized within 10 milliseconds between the three sites. Which of the following solutions satisfies the customer's recovery time objective?（）
    A

    DS8700 systems at each site running Metro Mirror

    B

    DS5300 systems at each site running Metro Mirror

    C

    DS5100 systems at each site running Global Mirror

    D

    XIV systems at each site running synchronous mirroring


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    A global customer’s IT strategy is based upon two DS8000 systems and an N series gateway. They want to protect their  business by implementing a disaster recovery solution. The storage specialist has recommended cascaded mirroring.  Which of the following is the business benefit of cascaded replication（）
    A

    it is cost efficient， as a single N series or DS8000 can have its controllers split between the  primary and secondary site and use semi- synchronousmirroring while using asynchronous mirroring to a third site

    B

    the second site acts as a repeater station so that greater geographical distances can be achieved

    C

    ITprovides high availability together with disaster recovery by implementing Metro/Global Mirror across three geographically dispersed systems

    D

    it guarantees data protection by implementing two synchronous copies of the primary site data


    正确答案： A
    解析： 暂无解析

  • 第24题：

    单选题
    A customer is using Metro Mirror to mirror the company inventory database from an IBM System Storage DS8700 at their headquarters to a DS8300 at a remote site. Due to bandwidth concerns they are planning to change the mirroring mode to Global Mirroring. They have asked for assistance. What must be done to help the customer make the change?（）
    A

    reboot the secondary system

    B

    rezone the Storage Area Network switches

    C

    break and re-establish the mirror relationship

    D

    increase the buffer credits in the HBAs to reflect the new mirror relationship


    正确答案： A
    解析： 暂无解析

相关内容