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  Aug 3

  Hitachi认证HH0-270考试题库介绍

  考试代号: HH0-270
  问题数量:106 Q&As
  
  更新时间: 2009-09-27
  注册地点: Prometric/Pearson VUE
  题库全称:HDS Implmenetation Specialist-Business Continuity Exam

  免费HH0-270题库Demo赏析

  　
  　
  Exam : Hitachi HH0-270
  Title : HDS Implmenetation Specialist-Business Continuity Exam

  1. A customer has replicated his database internally using ShadowImage.
  Which two benefits can be expected from this approach? (Choose two.)
  A. Fewer storage units are needed for Disaster Recovery.
  B. Multiple updates can be made against the data at the same time.
  C. More reporting applications can be run against the secondary copy.
  D. The applications can be restarted faster in the event of a database corruption.
  Answer: CD

  2. You are working on a Business Continuity plan for one of your customers. The customer states, "This business process is very important for us so we cannot afford any data loss. However we can tolerate three hours to recover."
  Which two statements correctly reflect the business process requirements? (Choose two.)
  A. The business recovery time objective is zero.
  B. The business recovery time objective is three hours.
  C. The business process recovery point objective is zero.
  D. The business process recovery point objective is three hours.
  Answer: BC

  3. A customer wishes to create copies using Copy-on-Write SnapShot of a database containing a large number of changes — about 50 percent for each day. The customer also wants to keep five copies of the database though access to the copies is not high.
  Which statement is correct?
  A. The pool should reside on external storage to keep costs low.
  B. The pool logical volumes should be the same size as the production logical volumes.
  C. The database should be copied using ShadowImage and not Copy-on-Write SnapShot.
  D. The pool should be at least three times the size of the database if Copy-on-Write SnapShot is used.
  Answer: D

  4. A customer wishes to copy a database on external storage controlled by a Universal Storage Platform over 10km using TrueCopy Synchronous.
  Which HiCommand product is used to manage the replication?
  A. HiCommand Device Manager (HDvM)
  B. HiCommand Protection Manager (HPtM)
  C. HiCommand Replication Monitor (HRpM)
  D. HiCommand Tiered Storage Manager (HTsM)
  Answer: A

  5. The Hitachi Storage Cluster (HSC) with Windows 2003 uses which method to prevent "Split Brain Syndrome"?
  A. majority node sets
  B. shared quorum disk
  C. extended SAN with multiple quorum disks
  D. -quorum parameter for horctakeover
  Answer: A

  6. After executing a paircreate command you find that the secondary volume is mounted to a system.
  Which action sequence should be used to correct this situation?
  A. Unmount the secondary volume.
  B. Unmount the secondary volume then execute the paircreate command again.
  C. Execute pairsplit -S, unmount the secondary volume, then execute the paircreate command again.
  D. Unmount the secondary volume, execute pairsplit -S, then execute the paircreate command again.
  Answer: C

  7. You are working on a Business Continuity plan for a customer. The customer states, "This business process is important for us but we can afford one hour data loss and two hours are tolerable to recover."
  Which two statements correctly reflect the business process requirements? (Choose two.)
  A. The business recovery time objective is one hour.
  B. The business recovery time objective is two hours.
  C. The business process recovery point objective is one hour.
  D. The business process recovery point objective is two hours.
  Answer: BC

  8. Your customer’s business critical applications are backed up every night. The backup starts at 7:00 PM and finishes at 7:00 AM the next morning. The RPO and RTO take about two hours. The customer’s focus and threat sources have changed making immediate application availability a requirement. When an update to the Business Continuity plan was recently completed, the backup was ruled out as a proper solution.
  Which solution will satisfy the customer’s new requirements?
  A. electronic tape vaulting
  B. synchronous remote disk copy
  C. asynchronous remote disk copy
  D. synchronous remote disk copy with extended server clustering
  Answer: D

  9. If a customer has a server cluster, what does a quorum disk do? (Choose two.)
  A. It is a configuration database.
  B. It tells the applications what storage to access.
  C. It decides where to run an application if a node fails.
  D. It tells the storage which applications are accessing it.
  Answer: AC

  10. A customer must implement a Disaster Recovery environment for a mission critical UNIX database. The production and recovery sites are 30km apart and a DWDM infrastructure is in place between the locations. The requirement is for zero data loss in the event of a disaster.
  Which HDS replication technology meets the customer’s requirements?
  A. Universal Replicator
  B. TrueCopy Synchronous
  C. TrueCopy Asynchronous
  D. TrueCopy cascaded from a local ShadowImage
  Answer: B

  11. Your customer must decide which Three Data Center (3DC) Business Continuity Solution configuration meets expectations.
  Which 3DC configuration is accurate?
  A. 3DC Multi-target with a Journal Group on all three USPs.
  B. 3DC Multi-target with a Journal Group on each of two USPs.
  C. 3DC Pass-Through Cascade with a Journal Group on two USPs.
  D. 3DC Pass-Through Cascade with a Journal Group on three USPs.
  Answer: A

  12. A customer has implemented a Disaster Recovery solution which involves replicating his data over 100km with TrueCopy Synchronous.
  Which two describe the customer’s reasons for doing this? (Choose two.)
  A. There must be an exact copy of the data at all times.
  B. The customer needs a cost-effective Disaster Recovery solution.
  C. The customer’s auditors have dictated this for regulatory reasons.
  D. The customer’s auditors need exact copies of the data to check consistency.
  Answer: AC

  13. A customer has a multi-target Three Data Center (3DC) implementation to protect a mission critical UNIX application. The production host crashes, but the array and network are still working. The customer wants to bring up the application on a host at the local data center and still maintain two remote copies of the data.
  What must be performed first at the local data center?
  A. Perform swap takeover for the HUR pairs.
  B. Perform swap takeover for the TrueCopy pairs.
  C. Perform Delta Resync between the local and remote arrays.
  D. Perform Delta Resync between the local and production arrays.
  Answer: B

  14. A customer has a server cluster, what are two features of a quorum disk? (Choose two.)
  A. It must reside on a RAID disk.
  B. It must be accessible by all nodes.
  C. It contains the status of all nodes in a cluster.
  D. A copy must always be available to all nodes.
  Answer: BC

  15. Which two statements describe the characteristics of asynchronous replication? (Choose two.)
  A. It provides a mechanism for copying data across any distance.
  B. An incomplete operation is rolled back at both locations, guaranteeing that the remote copy is always an exact image of the primary.
  C. After a successful write of data to the primary storage system, the application continues processing without waiting for an acknowledgement of a successful write at the secondary storage.
  D. After a disruption, business operations can resume immediately at the remote site, starting from the exact point the primary site stopped. Only I/Os that were in-flight at the instant of disruption will be lost.
  Answer: AC

  16. What are two purposes of a TrueCopy Asynchronous Consistency Group? (Choose two.)
  A. It controls multiple volume pairs as a single entity.
  B. It provides a real-time copy of the P-VOL on the S-VOL.
  C. It allows priority to be assigned to a group of volume pairs.
  D. It ensures data is written to the S-VOL in a consistent manner.
  Answer: AD

  17. Your customer must decide if TrueCopy Asynchronous or TrueCopy Synchronous is the best solution.
  Which three statements describe TrueCopy Synchronous characteristics? (Choose three.)
  A. TrueCopy Synchronous guarantees an RPO of zero.
  B. TrueCopy Synchronous turn around times become unacceptable at longer distances.
  C. TrueCopy Synchronous maintains consistency of data with time stamping and sequence numbering.
  D. TrueCopy Synchronous can register a maximum of sixteen remote control units (CUs) for one local CU.
  E. TrueCopy Synchronous reports the ending status to the host only after the S-VOL update copy operation is complete.
  Answer: ABE

  18. A customer must implement a second data center about 80km from the primary data center. The intent is to implement the extended cluster server feature.
  Which two statements should the customer be aware of? (Choose two.)
  A. Each node has its own quorum disk.
  B. Each node can operate independently.
  C. Each node requires a quorum majority to run.
  D. Each node must start on its own before joining the cluster.
  Answer: AC

  19. Which two configurations are good candidates for a Three Data Center (3DC) Multi-target type replication without purchasing additional hardware? (Choose two.)
  A. Two local 9980v connected through a SAN to Windows 2003 servers with a TrueCopy Asynchronous link to a distant 9980v 300km apart connected through a SAN to disaster recovery Windows 2003 servers.
  B. Two local USPs connected through a SAN to Windows 2003 servers both having a TrueCopy Asynchronous link to a distant USP 300km apart connected through a SAN to disaster recovery Windows 2003 servers.
  C. One primary USP connected through a SAN to Windows 2003 servers having a TrueCopy Synchronous link to a disaster recovery local USP. A secondary site 300km apart with a USP connected through a SAN to Windows 2003 servers.
  D. A primary USP connected through a SAN to Windows 2003 servers. A secondary USP connected through a SAN to Sun servers. Both USPs being cross copy connected by TrueCopy synchronous. A disaster recovery distant USP 300km apart off-line to any CPU connected to local USPs by a Universal Replicator.
  Answer: BC

  20. A customer has a 20TB database at his primary site. The database is copied using TrueCopy to a second site about 20km away. There are problems with the link to the second site. The second copy of the database should always be the same as the primary copy.
  Which solution should be implemented?
  A. Specify FENCELEVEL=DATA on the TrueCopy links.
  B. Specify FENCELEVEL=NEVER on the TrueCopy links.
  C. Create a third copy of the database using ShadowImage at the primary site.
  D. Create a third copy of the database using Universal Replicator at a third site.
  Answer: A

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