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Code d'Examen: HH0-230

Nom d'Examen: Hitachi (HDS Storage Manager-Business Continuity Enterprise)

Questions et réponses: 113 Q&As

Code d'Examen: HH0-440

Nom d'Examen: Hitachi (Storage Architect - Performance and Virtualization)

Questions et réponses: 117 Q&As

Code d'Examen: HH0-280

Nom d'Examen: Hitachi (HDS Implemetation Specialist - Storage Management)

Questions et réponses: 100 Q&As

Code d'Examen: HH0-400

Nom d'Examen: Hitachi (Hitachi Data Systems Architect-Business Continuity)

Questions et réponses: 99 Q&As

Code d'Examen: HH0-330

Nom d'Examen: Hitachi (HDS Storage Manager-Business Continuity Enterprise)

Questions et réponses: 58 Q&As

Code d'Examen: HH0-220

Nom d'Examen: Hitachi (HDS Certified Implmenter-Modular)

Questions et réponses: 109 Q&As

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NO.1 Which two statements are true for RPO? (Choose two.)
A.If the recovery point is within hours, no replication is necessary.
B.If the recovery point is within minutes, asynchronous (or off-line) replication may be suitable.
C.If the recovery point of an application is set to within seconds of a disaster occurring, synchronous (or
live) replication (duplication) of data should be considered.
D.Global clustering, manual migration or tape restore are various options that are dependent on the
acceptable time scales required to restore systems to full operations.
Answer: BC

Hitachi   HH0-400   HH0-400

NO.2 What are three regulatory requirements pertaining to data retention? (Choose three.)
A.Basel II
B.ISO 9000
C.SEC rule 17a
D.Email Archiving
E.Sarbanes-Oxley Act
Answer: ACE

Hitachi   HH0-400   HH0-400   HH0-400

NO.3 Which is required for I/O consistent recoverability?
A.Clustering software is in use at the recovery facility.
B.Recovery volumes have preserved write order fidelity.
C.Buffers on production hosts were fully de-staged to physical disk.
D.Log shipping is used to transfer transactions to the recovery facility.
Answer: B

Hitachi   HH0-400   HH0-400

NO.4 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

Hitachi   HH0-400   HH0-400

NO.5 Basel II is the second Basel Accord and represents recommendations by bank supervisors and central
bankers from 13 countries making up the Basel Committee on banking supervision to revise the
international standards for measuring the adequacy of a bank's capital.
Which three statements are true for Basel II? (Choose three.)
A.It can easily be circumvented by regulatory arbitrage.
B.It ensures that capital allocation is less risk conscious.
C.It ensures that capital allocation is more risk conscious.
D.It separates operational risk from credit risk, and quantifies both.
E.It attempts to align economic and regulatory capital more closely to reduce the scope for regulatory
arbitrage.
Answer: CDE

Hitachi examen   HH0-400 examen   HH0-400   certification HH0-400   HH0-400

NO.6 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

certification Hitachi   HH0-400   certification HH0-400   certification HH0-400   HH0-400   HH0-400

NO.7 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

certification Hitachi   HH0-400   certification HH0-400   HH0-400   certification HH0-400   HH0-400

NO.8 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

Hitachi   HH0-400   HH0-400 examen   HH0-400 examen   HH0-400

NO.9 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

certification Hitachi   HH0-400 examen   HH0-400   HH0-400   certification HH0-400

NO.10 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

Hitachi   HH0-400   HH0-400

Hitachi meilleur examen HH0-440, questions et réponses

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Code d'Examen: HH0-440

Nom d'Examen: Hitachi (Storage Architect - Performance and Virtualization)

Questions et réponses: 117 Q&As

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NO.1 Which three metrics aid in calculating how long a block of data remains available in cache after its last
access? (Choose three.)
A. IOPS rate into the cache partition or storage system
B. number of available cache segments
C. the cache hit rate
D. average response time
E. average LUN queue size
Answer: ABC

Hitachi examen   certification HH0-440   HH0-440   HH0-440 examen

NO.2 When planning for capacity growth and performance for a new application, which three metrics are
necessary to determine the required back-end storage configuration? (Choose three.)
A. anticipated read/write IOPS
B. cache read hit ratios
C. queue depths
D. transfer rates
E. IOPS per physical disk
Answer:ABE

Hitachi   HH0-440   HH0-440 examen

NO.3 A Microsoft Exchange administrator team is responsible for managing five mailbox servers and
maintaining acceptable service level objectives for your organization's email users. Accordingly, they
want to setup Windows Performance Monitor to actively monitor the Exchange servers. Which
Performance Monitor counter should be monitored for the Exchange database LUNs?
A. disk write bytes/second
B. disk read bytes/second
C. IO delays per sec
D. average disk read latency (ms)
Answer: D

certification Hitachi   certification HH0-440   HH0-440   certification HH0-440   HH0-440 examen   HH0-440

NO.4 Which HDS product is used to define and report Logical Group configurations?
A. Hitachi Tuning Manager
B. Hitachi Device Manager
C. Hitachi Tiered Storage Manager
D. Hitachi Storage Services Manager
Answer: B

certification Hitachi   HH0-440   HH0-440

NO.5 When DB2 Deferred Write Threshold (DWT) is reached, high write activity occurs, this can degrade all
subsystems involved with the DB2 containers. Within the entire performance chain, which three
components are critical during these occurrences? (Choose three.)
A. host CPU
B. host memory
C. storage subsystem cache
D. storage subsystem front-end processors
E. storage subsystem disks
Answer: BCE

Hitachi   certification HH0-440   HH0-440

NO.6 Which two statements are true about the Hitachi Tuning Manager Agent for RAID Product Interval (PI)
record type? (Choose two.)
A. Performance data is collected by the Agent Collector at specified intervals and summarized for every
hour/day/week/month/year.
B. Configuration data is collected by the Agent Collector at specified intervals and summarized for every
hour/day/week/month/year.
C. Performance Reporter can directly access Product Interval records through Hitachi Tuning Manager.
D. Product Interval.
Answer:AC

Hitachi   HH0-440 examen   HH0-440

NO.7 Which two Hitachi Professional Services are available for modular and enterprise performance
assessment and troubleshooting? (Choose two.)
A. Storage Platform Assessment (SPA)
B. Implementation Service for Hitachi Tuning Manager
C. Implementation Service for Hitachi Storage Services Manager Software
D. Tiered Storage Planning and Design Service
Answer:AB

Hitachi examen   HH0-440   certification HH0-440

NO.8 To eliminate disk related performance issues, which three Hitachi Tuning Manager reports would be
most useful for analyzing Microsoft 2007 Exchange Storage Group LUN activity? (Choose three.)
A. RAID Map reports
B. RAID Group Configuration reports
C. RAID Group Utilization reports
D. Logical Device Response Time reports
E. Exchange MAPI Connection reports
Answer: ACD

Hitachi examen   certification HH0-440   HH0-440   certification HH0-440

NO.9 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

Hitachi   certification HH0-440   certification HH0-440   certification HH0-440   HH0-440

NO.10 In IOSTAT, which two Solaris metrics are used to determine the average read block size to a device?
(Choose two.)
A. reads per second (r/s)
B. kilobytes read per second (kr/s)
C. block size (bs)
D. read block size (rbs)
Answer:AB

Hitachi examen   HH0-440   HH0-440 examen   HH0-440   certification HH0-440

NO.11 Which three actions will help to reduce the level of Write Pending data in cache during periods of
intense random update processing? (Choose three.)
A. Switch to faster disk drives.
B. Migrate from RAID5 to RAID1.
C. Spread the load across more RAID Groups.
D. Spread the load across more ports.
E. Spread the load across more LUNs.
Answer: ABC

Hitachi examen   HH0-440 examen   certification HH0-440   HH0-440   certification HH0-440   HH0-440

NO.12 What happens when the Extended Round-Robin load balancing algorithm is used with an LDEV that
is executing only random type IOs?
A. Performance will be severely impacted.
B. Load balancing will be disabled for this LDEV.
C. Round-Robin will be used.
D. HGLAM will be notified of this inconsistency.
Answer: C

Hitachi   HH0-440   HH0-440 examen   HH0-440 examen

NO.13 A customer runs two geographical dispersed data centers and plans to merge both data centers' SANs.
Which three should be considered when planning the ISL installation and configuration? (Choose three.)
A. distance
B. ISL trunk setup/configuration
C. estimated throughput
D. fabric trunk setup/configuration
E. buffer credits
Answer: ABC

Hitachi examen   HH0-440   HH0-440

NO.14 Which VMware multi-pathing scheme should be used to avoid non-owning access with HDS modular
storage systems with multiple VMware servers?
A. Most Recently Used (MRU)
B. Fixed
C. Round-Robin
D. Extended Round-Robin
Answer: B

certification Hitachi   HH0-440 examen   HH0-440   certification HH0-440   certification HH0-440

NO.15 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

certification Hitachi   certification HH0-440   HH0-440   certification HH0-440   HH0-440

NO.16 Which three statements are true regarding Hitachi storage configurations for Microsoft Exchange
Server? (Choose three.)
A. RAID6 is a recommended RAID level for the database RAID Groups.
B. RAID1+0 is a recommended RAID level for the database RAID Groups.
C. RAID5 is the recommended RAID level for the log RAID Groups..
D. LUN concatenation (LUSE) is not recommended.
E. VDEV striping is a recommended configuration for database RAID Groups.
Answer: BDE

Hitachi examen   HH0-440   HH0-440 examen   HH0-440   HH0-440 examen

NO.17 A customer, which runs a large Web server farm as an Internet service and hosting provider, wants to
consolidate the data from all these servers from the internal server disks to an iSCSI SAN solution which
uses a Universal Storage Platform (USP) V as the storage system. The IO is generally random read in
small block size. Which two RAID Group configurations would you recommend for the USP V? (Choose
two.)
A. RAID1 2+2
B. RAID1 4+4 C. RAID5 7+1
D. RAID6 6+2
Answer: CD

Hitachi   HH0-440   HH0-440

NO.18 A customer is using Hitachi Dynamic Provisioning (HDP) on a Universal Storage Platform (USP) V
and runs an Oracle database on HDP Volumes allocated to a HDP Pool. The customer is experiencing
unexpected growth of the database and a lack of capacity in the HDP Pool. What should be done?
A. Build a new HDP Pool using the same disk and RAID type and migrate the DP-Volumes to the new
pool.
B. Build a new HDP Pool using any disk and any RAID type and migrate the DP-Volumes to the new pool.
C. Extend the existing HDP Pool with Pool Volumes using the same RAID and disk type.
D. Extend the existing HDP Pool with Pool Volumes using any RAID and disk type.
Answer: C

Hitachi   HH0-440   certification HH0-440   certification HH0-440   certification HH0-440   HH0-440

NO.19 A customer reports erratic occurrences of concurrent slow downs involving multiple servers directly
attached to a large enterprise storage system. Each server supports an independent application and uses
dedicated port processors and RAID Groups. Storage replication, thin provisioning, and external storage
are used. If this problem originates in the storage, what are the two most likely causes? (Choose two.)
A. highly concurrent PAIRCREATE
B. storage system microcode problem
C. high internal path utilization
D. high cache Write Pending
Answer:AD

Hitachi examen   HH0-440   certification HH0-440   HH0-440   HH0-440   HH0-440

NO.20 A customer reports OLTP database response times as measured by Oracle have tripled from 1 ms to 3
ms. Comprehensive data collection is present throughout the incident. Which three metrics are most
relevant? (Choose three.)
A. LDEV response time
B. LUN queue depth
C. port utilization (% Busy)
D. cache hit ratio
E. BED utilization
Answer: ACD

Hitachi   certification HH0-440   HH0-440   HH0-440

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