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2014年1月16日星期四

Hitachi Certification HH0-250 exam pdf

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Exam Code: HH0-250
Exam Name: Hitachi (Hitachi Data Systems Implementer File Services-NAS)
One year free update, No help, Full refund!
Total Q&A: 120 Questions and Answers
Last Update: 2014-01-16

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NO.1 Which Fibre Channel (FC) speed settings are supported on the Hitachi NAS Platform host ports?
A. The FC host ports support 1 Gb, 2 Gb, or 4 Gb, where 1 Gb is the default.
B. The FC host ports support 1 Gb, 2 Gb, or 4 Gb, where 2 Gb is the default.
C. The FC host ports support 1 Gb, 2 Gb, or 4 Gb, where 4 Gb is the default.
D. The FC host ports support 2 Gb, 4 Gb, or 8 Gb, where 8 Gb is the default.
Answer: C

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NO.2 What are two benefits of the Clustered Name Space (CNS) feature of the Hitachi NAS Platform file
system? (Choose two.)
A. With CNS, network access to configured storage resources can be made through a single CIFS share
or NFS export.
B. CNS provides the mechanism for automatic load balancing.
C. CNS virtualizes network resources, allowing multiple nodes in a cluster to appear as a single node.
D. CNS virtualizes storage resources, allowing multiple file systems to appear as a single large file
system.
Answer: A,D

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NO.3 Your customer wants to obtain the Management Information Base (MIB) to integrate a Hitachi NAS
Platform into their Event Management framework. What are two ways to obtain the MIB? (Choose two.)
A. Download the Enterprise MIB module from EVS.
B. Download the Enterprise MIB module from the Web Manager GUI.
C. Download the Enterprise MIB module from HiTrack.
D. Contact the Hitachi Data Systems Support Center for the latest Enterprise MIB.
Answer: B,D

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NO.4 What are two valid steps when upgrading the SMU software in a Hitachi NAS Platform 3080 cluster?
(Choose two.)
A. Mount the CD using the command "mount /dev/*.iso".
B. Mount the CD using the command "mount /media/cdrecorder".
C. Connect a serial cable to the SMU and start a terminal session using settings 9600 b/s, 8, 1, no parity,
no flow control settings.
D. Connect a serial cable to the SMU and start a terminal session using settings 115200 b/s, 8, 1, no
parity, no flow control settings.
Answer: B,D

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NO.5 Which statement describes the Hitachi NAS Platform file system architecture?
A. The file system size may be reduced non-disruptively.
B. The file system is not subject to fragmentation.
C. The file system unifies directory structure and presents a single logical view.
D. The file system spans across multiple storage pools.
Answer: C

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NO.6 According to Hitachi Data Systems best practices, how should storage pools, file systems and virtual
servers be configured?
A. The file system auto-expansion feature should be used to expand a file system across different storage
pools.
B. Storage pools should be created with system drives of identical performance and size.
C. File systems should be shared across multiple virtual servers for redundancy.
D. File systems from the same storage pool should be assigned to virtual servers on different Hitachi NAS
Platform nodes.
Answer: B

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NO.7 During a data migration, which three steps should be performed to validate the consistency of the
source and destination shares/exports? (Choose three.)
A. Compare the available capacity on source and destination.
B. Compare the share/export permissions on source and destination.
C. Compare the MD5/SHA256 checksum of the directory tree.
D. Compare the number of files on source and destination.
E. Compare the number of directories on source and destination.
Answer: A,B,D

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NO.8 You are upgrading from a Hitachi NAS Platform model 3080 to model 3100. Which two configuration
parameters might be affected? (Choose two.)
A. mount and share parameters
B. Fibre Channel fabric zoning
C. replication policies
D. LUN security in the secure storage domains
Answer: B,D

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NO.9 Your customer has files that they would like to reverse migrate using Data Migrator. Which two valid
arguments can be used to specify the files? (Choose two.)
A. inode
B. pattern
C. acl
D. age
Answer: B,D

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NO.10 When performing a microcode upgrade, what information is stored in the cluster/server configuration
backup? (Choose three.)
A. network configuration
B. cluster node names
C. CIFS share names
D. Quorum Device (QD) configuration
E. NFS export names
Answer: A,C,E

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NO.11 Which three components of a Hitachi NAS Platform 3080 or 3090 Generation 1 (G1) node are hot
swappable? (Choose three.)
A. PSU
B. fans
C. battery pack
D. the hardware FPGA board
E. internal hard drive (HDD)
Answer: A,B,C

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NO.12 A large movie production studio approaches an HDS sales team with a request to build a large
rendering farm. Their environment consists of UNIX and Linux operating systems. They want the servers
to access a Hitachi NAS Platform. Which file service would have to be enabled to allow access?
A. SSH
B. WebDAV
C. HTTP
D. NFS
Answer: D

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NO.13 Which two advanced networking features can be used to optimize network throughput within the Hitachi
NAS Platform.? (Choose two.)
A. jumbo frames
B. Cisco Port Aggregation Protocol (PAgP)
C. 802.3ad Link Aggregation Control Protocol (LACP)
D. 802.1d Spanning Tree Protocol
Answer: A,C

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NO.14 You are implementing a Hitachi NAS Platform into a customer environment. The customer will
implement anti-virus scanning on their system. Which protocol is supported by the Hitachi NAS Platform
for communication with the anti-virus servers?
A. Remote Procedure Call (RPC)
B. Network File System (NFS)
C. NAS Security Protocol (NSP)
D. File Transfer Protocol (FTP)
Answer: A

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NO.15 A customer wants to use Hitachi NAS Platform snapshots and asks you about file system space usage.
Which two statements describe the file system space utilization when using snapshots? (Choose two.)
A. The snapshot technique uses Copy-on-Write (CoW).
B. The snapshot delta data is in the same file system area as the live data.
C. The delta data is first copied to a differential volume before data is modified in the live file system.
D. When live data is not modified, the snapshot does not consume any space.
Answer: B,D

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2013年12月15日星期日

Hitachi certification HH0-120 exam targeted training

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Exam Code: HH0-120
Exam Name: Hitachi (Hitachi Data Systems Storage Foundations - Modular Exam)
One year free update, No help, Full refund!
Total Q&A: 262 Questions and Answers
Last Update: 2013-12-15

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NO.1 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

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NO.2 You want to maximize database performance by dividing cache into partitions.
What is the maximum number of partitions on an AMS2300 system?
A.4
B.8
C.16
D.32
ANSWER: D

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NO.3 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

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NO.4 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

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NO.5 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

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NO.6 A customer is using Storage Navigator Modular to setup RAID Groups on a new AMS2100.
Which three RAID levels are supported? (Choose three.)
A.RAID-3
B.RAID-6
C.RAID-5
D.RAID-4
E.RAID-1+0
ANSWER: BCE

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NO.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

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NO.8 A customer requires a new modular storage array which will use parity for data protection. When a
drive fails in a RAID 5 Group, the remaining disks are each a single point-of-failure. A requirement is that
the vendor must minimize the amount of time the array is in a single point-of-failure state following a disk
failure.
Which two features of the AMS2300 support the requirement? (Choose two.)
A.RAID 6
B.RAID 5+1
C.Dynamic Sparing
D.Fast Disk Rebuild
ANSWER: AC

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NO.9 A customer has a WMS100 array to run an application with low performance and availability
requirements.
Which WMS100 configuration would meet the requirements?
A.SATA or FC disks
B.one or two controllers
C.one or two host FC ports per controller
D.one or two back-end loops per controller
ANSWER: B

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NO.10 Which AMS2300 feature can be used to isolate the I/O of a MS Exchange application from a backup
application?
A.Host Storage Manager
B.Cache Partition Manager
C.Virtual Partition Manager
D.Cache Residency Manager
ANSWER: B

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NO.11 A customer is lowering their recovery time objective (RTO) and increasing the integrity of their
backups by using backup to disk. The production data is on a USP V.
Which HDS array provides the most cost effective solution for backup to disk?
A.USP100
B.AMS2300
C.AMS2100
D.WMS100
ANSWER: D

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NO.12 HDS Adaptable Modular Storage models AMS2100 and AMS2300 provide efficient cost-effective
storage.
Which three attributes characterize the AMS product line? (Choose three.)
A.high availability
B.cache partitioning
C.ease of management
D.large-scale virtualization
E.dynamic provisioning
ANSWER: ABC

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NO.13 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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NO.14 How does the Hitachi AMS2000 family protect write data in cache to ensure data integrity?
A.Write I/O is mirrored to cache in both controllers.
B.Write I/O is mirrored to independent cache partitions.
C.Write I/O is striped across two independent cache boards.
D.Write I/O parity information is written to independent cache boards.
ANSWER: A

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NO.15 Which three software features are supported on the Hitachi AMS 2000 family? (Choose three.)
A.Password Protection
B.Universal Replicator
C.TrueCopy Synchronous
D.Copy-on-Write Snapshot
E.TrueCopy Asynchronous
ANSWER: ACD

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NO.16 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

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NO.17 A customer is evaluating AMS storage arrays to provide storage for a high performance database that
must be available 24x7.
Which HDS supported configuration meets their needs?
A.AMS2100 with SATA drives
B.AMS2300 with SAS drives
C.AMS1000 with SATA drives
D.AMS500 with FC drives
ANSWER: B

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NO.18 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

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NO.19 A customer has multiple applications and one high performance application accessing an AMS2300.
The high performance application consumes all system resources and is causing the other applications to
slow down.
Which feature can be used to prevent the high performance application from monopolizing the AMS2300?
A.Cache Partition Manager
B.Server Priority Manager
C.Cache Residency Manager
D.Universal Volume Manager
ANSWER: A

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NO.20 You have been asked to choose one AMS2000 family storage system to provide remote access
through iSCSI and local SAN support over Fibre Channel at the same time.
Which model will satisfy the customer's requirements?
A.AMS2100
B.AMS2300
C.AMS2500
D.AMS2800
ANSWER: C

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Exam Code: HH0-440
Exam Name: Hitachi (Storage Architect - Performance and Virtualization)
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Total Q&A: 117 Questions and Answers
Last Update: 2013-12-15

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NO.1 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

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NO.2 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

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NO.3 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

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NO.4 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

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NO.5 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

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NO.6 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

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NO.7 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

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NO.8 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

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NO.9 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

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NO.10 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

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NO.11 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

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NO.12 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

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NO.13 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

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NO.14 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

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NO.15 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

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NO.16 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

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NO.17 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

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NO.18 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

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NO.19 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

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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

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2013年9月12日星期四

Latest training guide for Hitachi HH0-330

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Exam Code: HH0-330
Exam Name: Hitachi (HDS Storage Manager-Business Continuity Enterprise)
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Total Q&A: 58 Questions and Answers
Last Update: 2013-09-12

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NO.1 On a Windows system, how do you make sure that the environment parameter is set correctly to use
CCI for ShadowImage operations instead of TrueCopy operations?
A.Verify that HORCC_MRCF is set to 1.
B.Verify that HORCM_MRCF is not set.
C.Verify that HORCC_MRCF is set to 0.
D.Verify that HORCM_MRCF is set to 0.
Answer: A

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NO.2 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

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NO.3 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

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NO.4 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

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NO.5 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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NO.6 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

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NO.7 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

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NO.8 On a Windows system, how do you verify that the environment parameter is correctly set to use CCI
for TrueCopy operations instead of ShadowImage operations?
A.Make sure that HORCM_MRCF is set to 1.
B.Make sure that HORCC_MRCF is not set.
C.Make sure that HORCC_MRCF is set to 0.
D.Make sure that HORCM_MRCF is set to 0.
Answer: B

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NO.9 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

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NO.10 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

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Exam Code: HH0-050
Exam Name: Hitachi (Hitachi Data Systems Storage Technology)
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Total Q&A: 100 Questions and Answers
Last Update: 2013-09-12

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NO.1 What are three common network terms? (Choose three.)
A. LAN
B. DAS
C. ATA
D. node
E. WAN
Answer: A,D,E

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NO.2 Which two physical cable types does Ethernet use for transmitting data? (Choose two.)
A. firewire
B. 3-Phase
C. fiber optic
D. twisted pair
Answer: C,D

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NO.3 What are two strengths of implementing storage in a SAN compared to using DAS? (choose
two.)
A. It costs less than a DAS solution.
B. It facilitates data management.
C. It enables all applications to access all data.
D. It limits access to data to the owning server.
Answer: B,C

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NO.4 Which backup and recovery factor does RTO represent?
A. RTO measures how long it takes to resume essential operations.
B. RTO measures productivity lost in the event of an outage.
C. RTO measures loss of production permissible when resuming after a disruption.
D. RTO measures the financial loss incurred due to an outage.
Answer: A

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NO.5 When using IP to transfer data over a network, which protocol re-combines IP packets into the
correct order to re-create the message sent from the source?
A. FCIP
B. iFCP
C. UDP
D. TCP
Answer: D

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NO.6 Which two cache partition management functions would a storage manager perform to
improve storage performance? (Choose two.)
A. Virtualize heterogeneous storage resources.
B. Adjust storage resources in response to business changes.
C. Dedicate storage resources to certain applications.
D. Duplicate storage resources within cache.
Answer: B,C

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NO.7 What are two advantages of implementing a thin provisioning storage solution? (Choose two.)
A. It enables the logical partitioning of ports, cache and disks (parity groups).
B. Striping data across many spindles optimizes back-end performance.
C. Provisioning storage from a virtual pool improves storage utilization.
D. Large volume performance is increased because each parity group has a unique workload.
Answer: B,C

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NO.8 A customer wants to replicate their database for the accounting and finance departments.
What is a benefit of accomplishing this with a clone replication technology?
A. It uses less storage than a snapshot copy.
B. It creates an exact copy of the database.
C. It identifies index corruption on the database.
D. It provides continuous data protection.
Answer: B

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NO.9 Which term defines the shape of a network or the arrangement of devices on a network?
A. interface
B. topology
C. protocol
D. zone
Answer: B

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