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Exam : Hitachi HH0-440
Title : Storage Architect – Performance & Virtualization

1. Performance monitor data indicates that CHP utilization may be causing a bottleneck in a Universal Storage Platform (USP) series system during periods of intense processing.
Which two actions should be considered to increase IOPS during the bottleneck periods? (Choose two.)
A.Configure the paths using high-speed mode.
B.Spread the load across more CHP processors and paths.
C.Spread the load across more RAID Groups.
D.Spread the load across more LUNs.
Answer: AB

2. In the Universal Storage Platform (USP) family, what is the maximum number of external ports that one external LDEV can be attached to?
A.2
B.4
C.8
D.16
Answer: C

3. Solaris IOSTAT shows that response times are degrading for a number of LUNs and that these LUNs are 100% busy. The active queue values are in a range up to, but not exceeding 8, and the wait queue values are in the range from 0 to 5 when the active queue is 7 or 8.
Which condition is implied by these values?
A.These are normal values for busy LUNs with a LUN queue depth of 8.
B.There are no more Tags available on this storage port due to heavy IO load.
C.There are no more Tags available for these LUNs at the port due to heavy IO load.
D.The HBA LUN queue depth is set incorrectly.
Answer: A

4. Which three statements are true for Hitachi Global Link Availability Manager (HGLAM)? (Choose three.)
A.HGLAM manages multiple instances of Hitachi Dynamic Link Manager (HDLM).
B.HGLAM assigns load balancing algorithms only at the server level.
C.HGLAM can alert which server is impacted when a fabric switch goes down.
D.HGLAM reports IO rate at the HBA level.
E.HGLAM can report a USP cache failure.
Answer: ACD

5. Click the Exhibit button.
Which three conditions are likely causes for the write pending rates illustrated in the exhibit? (Choose three.)
A.insufficient cache
B.loss of redundancy in write cache
C.heavy random writes to RAID5
D.heavy random writes to SATA drives
E.failure to distribute workload among sufficient array groups
Answer: CDE

6. Which three key metrics are needed for sizing industry standard applications? (Choose three.)
A.IO read/write ratios
B.port speed
C.IO rates and data transfer rates
D.cache read hit ratios
E.number of ACP/BED pairs
Answer: ACD

7. Which level of Write Pending is normal for a busy OLTP Universal Storage Platform (USP) system adequately managing the destaging of writes?
A.0% to 20%
B.20% to 30%
C.30% to 40%
D.40% to 50%
Answer: B

8.
Which condition is implied by these values?
A.These are normal values for busy LUNs with a LUN queue depth of 8.
B.There are no more Tags available on this storage port due to heavy IO load.
C.There are no more Tags available for these LUNs at the port due to heavy IO load.
D.The HBA LUN queue depth is set incorrectly.
Answer: A
6. Click the Exhibit button.
Which three conditions are likely causes for the write pending rates illustrated in the exhibit? (Choose three.)
A.insufficient cache
B.loss of redundancy in write cache
C.heavy random writes to RAID5
D.heavy random writes to SATA drives
E.failure to distribute workload among sufficient array groups
Answer: CDE
7. Performance monitor data indicates that CHP utilization may be causing a bottleneck in a Universal Storage Platform (USP) series system during periods of intense processing.
Which two actions should be considered to increase IOPS during the bottleneck periods? (Choose two.)
A.Configure the paths using high-speed mode.
B.Spread the load across more CHP processors and paths.
C.Spread the load across more RAID Groups.
D.Spread the load across more LUNs.
Answer: AB
8. Which three parameters will help to calculate a server’s maximum LUN queue depth to avoid the risk of SCSI timeouts? (Choose three.)
A.The number of active LUNs mapped to a storage port.
B.The number of active servers in the cluster accessing the active LUNs.
C.The number of command tags supported by the storage port.
D.The number of disk drives supporting the LUN configuration.
E.The total number of LUNs mapped to the storage port.
Answer: ABC

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Exam : Hitachi HH0-280
Title : HDS Implemetation Specialist – Storage Management

1. Your 5 TB Hitachi Dynamic Provisioning (HDP) Pool contains one hundred 50 GB LDEVs and is running out of space.
Which two statements are correct? (Choose two.)
A. You create a new Pool and concatenate it with the existing Pool.
B. You create new LDEVs out of free space which are used as HDP Pool Volumes to expand your HDP Pool.
C. You install a new RAID group and create HDP Pool Volumes in this RAID group and add these to your HDP Pool.
D. You create a new Pool which meets the space requirements and you migrate the Virtual Volumes into this newly created Pool.
Answer: BC

2. A customer has an IBM storage array and is planning to use it as External Storage on the USP V to migrate an application LUN from external to internal.
Would this migration be disruptive for the application?
A. No, because the customer is using Tiered Storage Manager.
B. No, because the customer has a ShadowImage copy of the LUN.
C. Yes, because the server has to perform a reboot to see the LUN.
D. Yes, because the application must reconfigure the LUN presented by the USP V.
Answer: D

3. A Hitachi Storage Services Manager (HSSM) customer has switches, hosts, and storage. They want to reduce their Get all Element Details (GAED) times.
Which recommendation should you make?
A. Use segmented replication.
B. Put everything in one discovery group.
C. Use the GAED wizard to reduce the time of each element.
D. Increase the memory of the server to reflect the number of discovery groups.
Answer: A

4. A customer wants to use Hitachi Dynamic Provisioning (HDP) on a USP V.
Which two statements are true regarding the mapping of Dynamic Provisioning (DP)-Volumes to the application? (Choose two.)
A. Any LDEV can be used as a DP-Pool Volume.
B. Any type of RAID group is available for DP-Pool Volumes.
C. The size of a DP-Pool is limited by the size of the DP-Pool LDEVs (max 1 TB).
D. The size of a DP-Pool is limited by the number of the DP-Pool LDEVs (max 256).
Answer: BD

5. A customer is deploying a new USP V into the data center across various servers and operating systems. During the planning stage you identify Hitachi Dynamic Link Manager (HDLM) 5.8 as the preferred path management software on the AIX servers.
Which three must you include in a prerequisite check list for the deployment? (Choose three.)
A. Check that Hitachi Device Manager (HDvM) agent is not installed.
B. Include additional planning for any Virtual I/O (VIO) servers.
C. Check that the Object Data Manager (ODM) update is installed.
D. Check that Hitachi Device Manager (HDvM) is compatible with HDLM.
E. Check the operating system levels and fix packs against the release notes.
Answer: BCE

6. A customer has Hitachi USP V, Hitachi AMS, EMC DMX, and HP EVA storage systems attached to twenty Windows servers and ten Solaris servers.
In this scenario, which two Hitachi Dynamic Link Manager (HDLM) configurations are supported? (Choose two.)
A. HDLM for UNIX for all storage systems
B. HDLM for Windows for all storage systems
C. HDLM for UNIX for Hitachi storage systems only
D. HDLM for Windows for Hitachi storage systems only
Answer: BC

7. In Hitachi Storage Services Manager (HSSM), which two steps are required when discovering a host? (Choose two.)
A. Provide the administrator password.
B. Provide the IP address of the host to be discovered.
C. Install the appropriate CIM extension on the server you want to manage.
D. Click the Set Default User name and Password link and provide up to three user names and passwords.
Answer: BC

8. Your customer currently has Hitachi Dynamic Link Manager (HDLM) version 4.7 running on ten of their production servers. They want to simplify the management of running those HDLM instances.
What are two prerequisites for the hosts that are running HDLM to be managed by Hitachi Global Link Availability Manager (HGLAM)? (Choose two.)
A. Upgrade the HDLM instances to version 5.7 or higher.
B. Install Provisioning Manager agent 3.5 or later on the hosts running HDLM 4.7.
C. Install Hitachi Device Manager agent 3.5 or later on the hosts running HDLM 4.7.
D. Install Hitachi Device Manager agent 3.5 or higher after the upgrade to HDLM 5.2.
Answer: AD

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

1. 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

2. 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

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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

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Exam : Hitachi HH0-120
Title : Hitachi Data Systems Storage Foundations – Modular Exam

1. A storage administrator wants to use TrueCopy to replicate volumes between an AMS2100 and an AMS2300.
How many S-VOL copies can be made from a single P-VOL?
A. 1
B. 2
C. 4
D. 8
Answer: A

2. An AMS or WMS storage system requires the PC running Storage Navigator Modular 2 to be attached to the system.
Which communication interface is used by Storage Navigator Modular 2 to talk with the system?
A. USB
B. LAN
C. iSCSI
D. Fibre Channel
Answer: B

3. Which feature in Hitachi Dynamic Link Manager (HDLM) allows an administrator to remove an LU and a path without restarting the server?
A. path failover
B. dynamic reconfiguration
C. dynamic deletion
D. Disk Manager
Answer: C

4. What are two advantages of Services Optimized Storage Solutions? (Choose two.)
A. It delivers storage infrastructure components that can be integrated to match application requirements.
B. It offers the ability to combine Fibre Channel SAN storage with IP-based storage.
C. It provides database administrators with the ability to provision and manage storage.
D. It offers application-centric, quality-of-service (QoS) data delivery, based on: performance, availability, cost, and protection requirements.
Answer: AD

5. A data warehouse application needs access to current data at multiple times during the day for billing and data mining.
What is used to create the online copy of the OLTP server within the same storage system?
A. TrueCopy
B. ShadowImage
C. Copy-on-Write Snapshot
D. TrueCopy Extended Distance
Answer: B

6. Which two steps are required before using Hitachi Replication Manager? (Choose two.)
A. Replication Manager Agent must be installed.
B. RAID Manager or CCI must be installed.
C. Business Continuity Manager must be installed.
D. Hitachi Device Manager must be installed prior to the installation of Replication Manager software.
Answer: BD

7. What is the function of HDD Roaming in the Adaptable Modular Storage family?
A. It allows you to perform background HDD-scrubbing.
B. It allows you to monitor the system for HDD failures.
C. It allows you to increase RAID Group capacity dynamically.
D. It allows you to specify RAID Group with HDDs regardless of RKA.
Answer: D

8. Customers are increasingly finding new ways for information technology departments to provide value to business.
How does Services Oriented Storage Solutions (SOSS) help our customers accomplish this?
A. by matching the business value of data to the appropriate storage tier
B. by increasing customer profitability by managing operational expenses
C. by establishing Industry Standard Best Practices into everyday operations
D. by providing a business-centric approach for aligning IT storage resources with business requirements
Answer: D

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Exam : Hitachi HH0-200
Title : Certified Modular Integration Specialist Exam

1. You are using the Hitachi?Resource Manager GUI for the first time. You want to change to a different mode from default mode. What is the first thing you should do, before changing to a different mode?
A. go to Add-> Password and add the password
B. go to Add-> Change Mode and select the mode
C. go to Settings-> Password and register the password
D. go to Settings-> Change Properties and set the mode option to other modes
Answer: C

2. Which component on the first RKA is used to connect to the RK in a Hitachi Thunder 9570V?Series subsystem?
A. PDB
B. ENC unit
C. Controller unit
D. AC Power Unit
Answer: B

3. You have assembled and installed a Hitachi Thunder 9570V?subsystemRK and a RKA into a 19 inch rack. The system parameters have also been configured. The customer now needs to use port 0A in order to connect HP-UX with a LUN 0 and Solaris with a LUN 0 on the same port. Which two will enable this configuration? (Choose two.)
A. install the LUN SECURITY license
B. create two host groups on port 0A
C. install the LUN-MANAGEMENT license
D. configure port 0A to work in HP-UX mode
Answer: BC

4. What is the operational humidity requirement at a site when installing a Hitachi Thunder 9500V?Series subsystem?
A. 5% to 90%
B. 8% to 80%
C. 10% to 75%
D. 10% to 90%
Answer: B

5. Ten LUNs must be recognized by the QLogic HBA on Microsoft Windows 2000 Server which is connected to a Hitachi Thunder 9500V?Series subsystem. What is the system parameter that needs to be set up?
A. in the modify Host Group option, select CCHS mode in Standard mode
B. in the modify Host Group option, select CCHS mode in Host connection mode
C. in the modify Host Group option, select HISUP2 mode in Host connection mode
D. in the modify Host Group option, select HISUP mode in Host connection mode 2
Answer: D

6. A customer has Sun Netra Servers mounted on a Hitachi Data Systems?19 inch rack. You need to mount a RK and a RKA on the same rack. What is the amps/PS rating you need to use for both the RK and RKA together in order to ensure that the PDU is not overloaded when two power supplies are used on both the RK and the RKA and the source is 100V?
A. 3.20
B. 5.10
C. 6.30
D. 10.20
Answer: C

7. You are connected to a Hitachi Thunder 9500V?Series subsystem using Hitachi?Resource Manager GUI. You have created LUNs for 12D+1P RAID group, and now you want to set up one spare disk. Given the following steps:
A.select Settings-> Logical Settings
B. select Settings-> Configuration Settings
C. select the Logical Settings tab
D.select Settings-> Logical Unit-> Set Spare Drive
E.select the disk that you want to set up as spare
F.select the Spare Drive tab
A. B, F, E
B. B, F, G
C. D, C, E
D. F, C, G
Answer: B

8. Which statement is true about cache slots on the Hitachi Thunder 9500V?Series subsystem?
A. Each controller has two cache slots and each slot can hold 1GB DIMMS for a maximum of 2GB per controller.
B. Each controller has two cache slots and each slot can hold 512MB or 1GB DIMMS for a maximum of 1GB or 2GB per controller.
C. Each controller has four cache slots and each slot can hold 512MB or 1GB DIMMS for a maximum of 2 GB or 4GB per controller.
D. Each controller has four cache slots and each slot can hold 256MB or 512MB DIMMS for a maximum of 1 GB or 2 GB per controller.
Answer: B

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Exam : Hitachi HH0-110
Title : Hitachi Data Systems Storage Foundations – Enterprise Exam

1. A company is using Hitachi Universal Replicator to replicate between remote sites. What happens after they experience a large sustained burst of I/O to Universal Replicator volumes?
A. S-Vol remains consistent.
B. Cache fills with write I/O and forces the P-Vol to split.
C. Application latency increases due to replication activity.
D. Cache fills with write I/O and forces the P-Vol to suspend.
Answer: A

2. HDS has two solutions in the enterprise content archival domain; Message Archival for Email and Message Archive for Compliance. Which three benefits will a customer gain from implementing these solutions? (Choose three.)
A. Mailboxes are never filled up.
B. Spam problems are resolved.
C. Legal penalties can be avoided.
D. Computer viruses are minimized.
E. Conceptual search within attachments.
Answer: ACE

3. Which HDS feature feature significantly improves the performance of an application with high I/Os?
A. LUSE
B. Quick IO
C. Bypass cache
D. Hitachi disk ALBs
Answer: A

4. What is the maximum number of the backend paths in a Hitachi TagmaStore USP1100?
A. 32
B. 64
C. 128
D. 256
Answer: B

5. Which two types of Message Archive Solutions are delivered by HDS? (Choose two.)
A. Message Archive for E-mail
B. Message Archive for Compliance
C. Message Archive for Compression
D. Message Archive for Disaster Recovery
Answer: AB

6. How does an administrator configure HiCommand Device Manager to support SCSI ports?
A. through the GUI as per normal configuration
B. through the CLI as SCSI has different requirments
C. HiCommand Device Manager does not support SCSI ports
D. HiCommand Device Manager automatically configures SCSI ports
Answer: C

7. What is the maximum cached bandwidth of the Hitachi TagmaStore USP crossbar switch architecture?
A. 17GB/s
B. 34GB/s
C. 64GB/s
D. 68GB/s
Answer: D

8. Which three operating systems are supported by Storage Navigator? (Choose three.)
A. HP-UX
B. IBM AIX
C. SUN Solaris
D. Novell Netware
E. Microsoft Windows XP
Answer: ACE

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Exam : Hitachi HH0-220
Title : HDS Certified Implmenter-Modular

1. There exist Two Command Devices exist on an Hitachi TagmaStore AMS500. ShadowImage has been running for some time. For maintenance reasons, the AMS500 must be restarted. After restarting, only one Command Device is still available.
How will the horcm instances behave in this situation?
A.HORCM will be able to start with a warning message to the startup log.
B.HORCM will not start unless the second Command Device is available again.
C.HORCM will connect to Storage Navigator Modular and define a second Command Device.
D.HORCM will start but go into a wait status until the second Command Device is back again.
Answer: A

2. You connect the user LAN ports to an Ethernet switch while installing an Hitachi TagmaStore AMS500 and are unable to communicate although the link LED is illuminated. You are not sure if the user LAN IP addresses are correct.
How can you reset the IP addresses to known values?
A.Connect using a null modem cable to the RS232 port and change the user LAN IP addresses.
B.Press the reset button on the controller three times to reset the IP addresses to factory settings.
C.Connect using a crossover cable to the maintenance LAN port on controller 0 and connect to 10.0.0.17 or 192.168.0.17.
D.Connect using a crossover cable to the maintenance LAN port on controller 0 and connect to 10.0.0.16 or 192.168.0.16.
Answer: D

3. What is the purpose of the System Assurance Registration Documentation (SARD) process?
A.To ensure accurate and complete record of pre-installation data.
B.To guarantee that Hitachi Data Systems equipment is insured during transportation.
C.To inform a channel partner that equipment is available for shipment.
D.To validate configuration changes for customers with a premium service contract.
Answer: A

4. 0.17.
D.Connect using a crossover cable to the maintenance LAN port on controller 0 and connect to 10.0.0.16 or 192.168.0.16.
Answer: D
8. To which LAN should the Hitachi TagmaStore AMS200 controllers be attached?
A.the user’s intranet
B.the AMS200 internal LAN
C.the secure management LAN
D.the Storage Navigator Modular
Answer: C

5. An Authorized Service Provider (ASP) partner has downloaded the System Assurance Registration Documentation (SARD) from the Hitachi Data Systems PartnerXchange Web site to prepare for the installation of an Hitachi TagmaStore AMS200.
Which document is relevant for the partner to use as part of the SARD process?
A.the SARD Excel worksheet
B.the Warranty Accreditation form
C.the Service Acceptance Agreement form
D.the AMS200 System Assurance Document
Answer: A

6. You want to manage an Hitachi TagmaStore AMS500 with Storage Navigator Modular (SNM), but you want to be sure that no one else has access to make changes at the same time.
What are two ways to do this? (Choose two.)
A.Install SNM for Web on only one host and give access to this host for storage administrators.
B.Install SNM Graphical User Interface on several hosts and install the Password Protection key.
C.Install SNM Graphical User Interface on several hosts but connect to the AMS500 in maintenance mode.
D.Install SNM Graphical User Interface on several hosts, and on the SNM restrict changes to the first logon user.
Answer: AB

7. HiCommand Device Manager can be used to link Universal Volume Manager to manage the Hitachi TagmaStore Universal Storage Platform (USP).
Which three steps must first be performed? (Choose three.)
A.Specify an external volume in the external subsystem.
B.Stop the Common Component and the Device Manager Server.
C.Verify whether DAMP (for Web) runs on the Common Component.
D.Use Device Manager to map and manage the internal and external subsystems.
E.Specify an external subsystem port to be connected to the external port, which will be managed as a specific host for external volumes in the external subsystem.
Answer: ADE

8. Hitachi Data Systems Sales and Services representatives are involved in preparing for the delivery of storage systems at a customer site.
Which three areas will these representatives be asked to look at when following the System Assurance Registration Documentation (SARD) process? (Choose three.)
A.equipment delivery date
B.customer contact details
C.equipment configuration details
D.equipment and feature availability
E.site access details for equipment delivery
Answer: BCE

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Exam : Hitachi HH0-330
Title : HDS Storage Manager-Business Continuity Enterprise

1. The CCI instance has failed to start.
What is the most likely cause?
A.The Command Device is labeled.
B.The environment variable HORCC_MRCF is set.
C.The environment variable HORCMINST is not set.
D.The IP address is not referenced in the HORCM file.
Answer: D

2. Which two statements describe the Command Device? (Choose two.)
A.The Command Device is for CCI communications and can be fully utilized by other applications.
B.The Command Device is dedicated to CCI communications and should not be used by any other applications.
C.The Command Device accepts TrueCopy and ShadowImage software read and write commands that are executed by the storage system.
D.The Command Device accepts TrueCopy and ShadowImage software read and write commands that are executed by the CCI software.
Answer: BC

3. You are looking at the possibility of configuring the Raid Manager software.
Which three devices could be used as a CCI Command Device? (Choose three.)
A.3390-3 LUN
B.LUSE LUN
C.OPEN-V LUN
D.OPEN-3 LUN
E.Virtual LVI/LUN
Answer: CDE

4. A pairresync operation is performed on a ShadowImage pair in a PSUE state.
What is the result of the pairresync operation?
A.The pairresync completes immediately.
B.All data on the P-Vol are copied to the S-Vol.
C.The pairresync returns an error because of the PSUE state.
D.The bitmaps are used and only changed tracks are copied from the P-Vol to the S-Vol
Answer: B

5. Which two statements describe the Command Device? (Choose two.)
A.The Command Device is user selected.
B.The Command Device is system selected.
C.The Command Device is a dedicated logical volume on the system which controls the CCI software on the UNIX/PC host.
D.The Command Device is a dedicated logical volume on the system which functions as the interface to the CCI software on the UNIX/PC host.
Answer: AD

6. Which two statements describe the Command Device on UNIX systems? (Choose two.)
A.The volume designated as the Command Device is a raw device.
B.The volume designated as the Command Device is a block device.
C.The Command Device accepts TrueCopy software and ShadowImage software read and write commands that are executed by the CCI software.
D.The Command Device accepts TrueCopy software and ShadowImage software read and write commands that are executed by the storage system.
Answer: AD

7. Where do you find the "horcmstart.sh" command in a default CCI installation in a UNIX system?
A./usr/bin/
B./usr/sbin
C./HORCM/
D./HORCM/usr/bin/
Answer: D

8. The CCI instance needs to communicate with the storage system using the Command Device.
Which command should be executed to discover the name of the Command Device on a Windows server?
A.raidscan -x findcmddev hdisk 0,20
B.raidscan -find commanddev hdisk 0,20
C.raidscan -x find commanddev hdisk 0,20
D.raidscan -find commanddevice hdisk 0,20
Answer: A

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Real questions and answers
　
　
Exam : Hitachi HH0-400
Title : Hitachi Data Systems Architect-Business Continuity

1. What are two risks when extending a production SAN over distance? (Choose two.)
A.A telecommunications outage will segment the fabric.
B.RSCN storms may ensue from intermittent telecommunications issues.
C.Any differences in domain IDs on the fabric switches between the sites will keep the fabrics from merging.
D.Some Fibre Channel frames may occasionally cross the inter-site links and reach the incorrect storage array.
Answer: AB

2. A customer is using TrueCopy to replicate a database’s data and log volumes.
Which strategy will assist the customer with recovery from logical corruption such as a mistakenly dropped table?
A.Use ShadowImage to create point-in-time copies for recovery.
B.Use TrueCopy for data volumes only. Use log shipping to transfer individual transactions to the recovery facility.
C.Manage database checkpointing so that logs retain sufficient transactions to allow playback up to the corruption event.
D.Inflow control should be used to throttle incoming write traffic so that updates can be identified and prevented prior to their application onto the secondary volumes.
Answer: A

3. What are two best practices for DR testing? (Choose two.)
A.Tests should be done at least twice a year.
B.The secondary copy of data (B) can be used as the DR test copy.
C.Testing should only be performed when new applications are added.
D.When using a point-in-time copy solution, another copy (D) should be used for DR testing purposes.
Answer: AD

4. Which formula is appropriate to use when calculating resource requirements for TrueCopy Asynchronous?
A.Bandwidth = [(peak write Mb/sec) / network compression ratio] + safety margin
B.Journal Capacity = (peak write Mb/sec) * anticipated network outage duration (minimum of 6 GB)
C.Number of RAID groups for journal volumes = (peak write Mb/sec) / (total throughput per RAID group)
D.Host delay = 2 * [(distance between MCU and RCU) / (speed of light in glass)] + losses due to network overhead
Answer: A

5. A customer’s regulatory requirements require that they will have valid data at the recovery site regardless of any equipment or logical failure in the system or environment.
How many DR site point-in-time copies are required if they want to be able to perform recovery testing?
A.1
B.2
C.3
D.4
Answer: B

6. A customer is using TrueCopy Asynchronous to continuously replicate a database’s data and log volumes.
Which two statements are true? (Choose two.)
A.A database checkpoint should be forced immediately upon failover.
B.In the case of a planned outage, log volumes may not include all transactions.
C.In the case of an unplanned outage, log volumes may not include all transactions.
D.At recovery time, the database will rollback all uncommitted transactions in the logs.
Answer: CD