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2014年2月20日星期四

Latest HH0-400 study materials

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Exam Code: HH0-400
Exam Name: Hitachi (Hitachi Data Systems Architect-Business Continuity)
One year free update, No help, Full refund!
Total Q&A: 99 Questions and Answers
Last Update: 2014-02-20

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NO.1 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

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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

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NO.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

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NO.4 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

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NO.5 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

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NO.6 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

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NO.7 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

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NO.8 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

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NO.9 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

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NO.10 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

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2014年1月24日星期五

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Exam Code: HH0-220
Exam Name: Hitachi (HDS Certified Implmenter-Modular)
One year free update, No help, Full refund!
Total Q&A: 109 Questions and Answers
Last Update: 2014-01-24

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NO.1 You have been asked to allocate storage from a Hitachi Unified Storage system to a cluster of AIX
hosts. The application owner wants you to make sure that the queue depth is set to 16 for all the LUNs.
Where do you define the queue depth?
A. on each LUN
B. on the server HBAs
C. on the WWNN Target Ports
D. on the WWPN Target Ports
Answer: A

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NO.2 A customer will be implementing a Hitachi Unified Storage File Module two-node NAS cluster with one
SMU. How many power connections are necessary?
A. 3
B. 4
C. 5
D. 6
Answer: C

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NO.3 A customer wants to start using ShadowImage on several of their existing Hitachi Unified Storage
systems. They would like a solution to centrally configure their Point-in-Time copies. Which product would
you recommend?
A. Hitachi Dynamic Replicator
B. Hitachi Universal Replicator
C. Business Continuity Manager
D. Hitachi Replication Manager
Answer: D

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NO.4 You are implementing a Hitachi Unified Storage File Module cluster with a single SMU. How do you run
the smu-config script?
A. Connect an Ethernet cable and login as supervisor.
B. Connect a serial null-modem cable and login as supervisor.
C. Connect an Ethernet cable and login as root.
D. Connect a serial null-modem cable and login as root.
Answer: D

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NO.5 Which two operations can be performed with the Web utility on a Hitachi Unified Storage system?
(Choose two.)
A. Take a simple trace.
B. Install license keys.
C. Perform an online microcode update.
D. Perform an offline microcode update.
Answer: A,D

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NO.6 You want to configure SNMP on a Hitachi Unified Storage system. The license key is already installed
and enabled. What are two key steps when configuring SNMP? (Choose two.)
A. Import the MIB file into the HUS.
B. Install an SNMP Manager on the HUS.
C. Create the SNMP environment file in the HUS.
D. Register the SNMP configuration files in the HUS.
Answer: C,D

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NO.7 What is Hitachi Data System's recommended practice for zoning?
A. port-based zoning
B. zoning is optional
C. single HBA zoning (one HBA per zone)
D. single operation system zoning (all HBAs from one OS in a zone)
Answer: C

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NO.8 You have just allocated four 3TB LUNs from a Hitachi Unified Storage System to a set of ESX 4.x
servers. The VMware administrator can see volumes that are assigned to the servers from an older
storage array, but not the volumes you have just allocated. What is the most likely cause?
A. The FC switch ports need to be disabled/enabled to force the HBAs to re-login to the fabric.
B. This a newer storage array with an older version of ESX so the HBA drivers need to be updated.
C. ESX 4.x servers cannot recognize volumes that are 2TB or larger.
D. The rescan function in VMware is not working, so both servers need to be rebooted.
Answer: C

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NO.9 A customer has identified a performance bottleneck with Online Transaction Processing (OLTP)
production host LUNs. The performance improvement plan includes a change to the Hitachi Dynamic Link
Manager load balancing algorithm which is currently set to Round Robin. Which setting would you
recommend?
A. Least I/Os
B. Least blocks
C. Extended Round Robin
D. Extended Least blocks
Answer: A

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NO.10 What are two ways to register a new Hitachi Unified Storage system with Storage Navigator Modular 2?
(Choose two.)
A. SNM2 can scan a range of IP addresses.
B. SNM2 can import a .CSV file containing IP addresses.
C. The controller IP addresses can be entered into SNM2.
D. SNM2 automatically detects connected arrays using UDP broadcasts.
Answer: A,C

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NO.11 A Hitachi Unified Storage system is connected to a Solaris server. If you want to optimize performance
for the host I/Os, how do you determine the appropriate queue depth value?
A. Set queue depth to 1.
B. Use the operating system default value.
C. The value is set according to the results of the initial SCSI inquiry.
D. Using the Host installation guide for Fibre Channel.
Answer: D

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NO.12 You are upgrading a Hitachi Unified Storage (HUS) system with the File Module option. Which
combination is required to support this upgrade?
A. FC connectivity between the HUS and the File Module plus the Hitachi BOS F software bundle
B. 10GbE connectivity between the HUS and the File Module plus the Hitachi BOS M software bundle
C. FCoE connectivity between the HUS and the File Module plus the Hitachi BOS F software bundle
D. FC connectivity between the HUS and the File Module plus the Hitachi BOS N software bundle
Answer: A

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NO.13 A customer wants to create a multi-path environment for a specific Redhat Linux application on a
Hitachi Unified Storage system. They have created Host Groups on all of the available ports and mapped
the logical units accordingly. Which two multi-pathing options can be used for active/active connectivity?
(Choose two.)
A. Device Mapper
B. Multipath I/O (MPIO)
C. Hitachi Dynamic Link Manager
D. Multiplexed I/O (MPxIO)
Answer: A,C

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NO.14 A customer wants to migrate data between two Hitachi Unified Storage systems using TrueCopy. What
are two requirements? (Choose two.)
A. The DM-LU must be greater than 10GB.
B. There must be FC connectivity between the arrays.
C. The P-Vol and S-Vol size must be equal.
D. A Command Device must be created.
Answer: A,C

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NO.15 A customer has a Hitachi Unified Storage (HUS) system model 110 configured with iSCSI I/O interface
boards. They now want to connect it to a FC-SAN and have purchased the FC-Option upgrade to do so.
Which two tasks must be performed on the HUS system? (Choose two.)
A. Set the HUS FC port topology as Fabric.
B. Set the HUS FC port topology as Point-to-Point.
C. Install and enable the FC-Option on the HUS.
D. Install and enable the FC Expansion Board.
Answer: B,C

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NO.16 What are three characteristics of the Hitachi Unified Storage systems active/active controller design?
(Choose three.)
A. SNM2 GUI is used to turn on active/active controller processing.
B. Workload is automatically balanced between controllers.
C. When creating a LUN the default controller must be selected.
D. The processor of Ctlr0 can access the Fibre Channel (FC) ports of Ctrl1.
E. Non disruptive firmware upgrade is possible even if a host is connected by only one path.
Answer: B,D,E

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NO.17 When implementing host access security for a LUN in a Hitachi Unified Storage system, to what is the
host WWN applied?
A. Host Group
B. Storage Group
C. Domain Group
D. Link Group
Answer: A

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NO.18 What are two effects of persistent binding? (Choose two.)
A. Persistent binding can speed up path failover.
B. Persistent binding guarantees Command Device security.
C. Persistent binding can speed up the server boot process.
D. Persistent binding guarantees that target assignments are preserved between reboots.
Answer: C,D

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NO.19 How should the Hitachi Unified Storage systems dual power supplies be connected?
A. by FS6 circuits breakers
B. only one should be connected, the other being standby
C. by adjacent sockets on a single power distribution unit
D. by two independent and appropriately rated power distribution units
Answer: D

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NO.20 What needs to be replaced in case of a local memory DIMM failure on a Hitachi Unified Storage
controller?
A. the controller
B. the local memory DIMM
C. the controller and the local memory DIMM
D. the controller, the local memory DIMM and the cache DIMMs
Answer: C

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Exam Name: Hitachi (Storage Architect - Performance and Virtualization)
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NO.1 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.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

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NO.3 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.4 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.5 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.6 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.7 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.8 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.9 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.10 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.11 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.12 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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NO.13 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.14 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.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 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.17 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.18 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.19 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.20 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.1 Your customer has purchased Hitachi Tiered Storage Manager (HTSM) to support their Service
Level Agreement targets. HTSM will be used to migrate data between their VSP and HUS
systems. Which type of migration will be performed?
A. non-disruptive volume migration based on conditions
B. dynamic file migration based on conditions
C. non-disruptive file level migration based on conditions
D. dynamic "page" level migration based on I/O load
Answer: A

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NO.2 A customer would like to deploy a new HUS system with Hitachi Dynamic Provisioning (HDP).
They would like to control the amount of over provisioning from their HDP Pools by not allowing
more DP-Vols to be created beyond a certain percentage. Which over-provisioning threshold can
an administrator configure to achieve this?
A. Early Alert
B. Warning
C. Limit
D. Depletion Alert
Answer: C

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NO.3 Which three actions can be performed with Storage Navigator 2 on a VSP? (Choose three.)
A. Define migration policies.
B. Provision the storage system.
C. View system alerts.
D. Acquire logs.
E. Set System Option Modes.
Answer: B,C,D

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NO.4 A HUS VM customer requires a tool set to gather and report on application service level
objectives
and storage performance. Which package should the customer use?
A. HUS VM Virtual Partition Manager Package
B. HUS VM Analytics Package
C. HUS VM Mobility Package
D. HUS VM Local Protection Package
Answer: B

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NO.5 What are two valid Hitachi Data Ingestor (HDI) configuration options? (Choose two.)
A. as a single node
B. as a n+1 cluster
C. as a VMware appliance
D. as a Hyper-V appliance
Answer: A,C

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NO.6 Your customer wants to connect a HUS system to a VSP as external storage. What are two valid
options to connect both storage systems? (Choose two.)
A. direct connection
B. FC SAN connection
C. connection using iSCSI
D. connection using FCoE
Answer: A,B

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NO.7 A company has purchased a HUS VM storage system and they want to connect it to their
existing
AIX and Windows servers. Which HUS VM feature will allow these hosts to co-exist on the same
CHB ports?
A. Port Aggregation
B. Shared Memory Paths
C. High Speed Port Mode
D. Host Group
Answer: D

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NO.8 What are two advantages of TrueCopy Extended Distance replication? (Choose two.)
A. It has no data loss.
B. It provides extended de-duplication.
C. It provides write order integrity.
D. It provides consistency group support.
Answer: C,D

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NO.9 What are two components of a storage cluster in a VSP? (Choose two.)
A. Front-End Directors (FED)
B. Fiber Switches (FSW)
C. Virtual Storage Directors (VSD)
D. Service Processors (SVP)
Answer: A,C

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NO.10 Which protocol does the HUS VM back-end architecture use?
A. SATA
B. SAS
C. FC
D. IP
Answer: B

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2014年1月19日星期日

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Last Update: 2014-01-19

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NO.1 You are configuring a HCP 500 solution with AMS 2100 storage. You choose to configure the
storage devices first in the list of tasks associated with this process.
What is the reason for sequencing the tasks in this way?
A. The HCP software must first be installed on the AMS 2100 for access.
B. Formatting the storage containers will take a considerable amount of time.
C. You must have the data LUNs established before you can install the core OS.
D. The HCP command LUN must be established on the AMS 2100.
Answer: B

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NO.2 In a SAIN based HCP solution, which RAID protection scheme is considered standard use with
an
AMS 2000 system?
A. RAID 5 (6+1)
B. RAID 6 (5+2)
C. RAID 6 (6+2)
D. RAID 5 (7+1)
Answer: B

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NO.3 Which node architecture is used by the HCP 500?
A. SAIN
B. PAIN
C. RAIN
D. NAIN
Answer: A

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NO.4 Which three tenant management console permissions does the security role have on a HCP?
(Choose three.)
A. View namespace access protocol configurations.
B. View tenant log messages about security events.
C. View tenant overview.
D. Monitor replication.
E. Modify tenant management console security settings (HCP tenants only).
Answer: B,C,E

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NO.5 You have performed an upgrade on a customer's HCP. You complete the upgrade and verify
that all the nodes are online and then give the system back to the customer. A few minutes later,
the customer
complains that they can read existing content but they cannot create new content on the HCP.
Which step was missed?
A. The install user password was changed.
B. The upgrade was not committed.
C. The rollback was not performed.
D. The system management console is disabled.
Answer: B

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NO.6 A customer will be removing old Windows file servers and moving existing data to the default
namespace on their new HCP 500.
Which protocol is recommended to accomplish the move?
A. CIFS
B. HTTP
C. REST
D. NFS
Answer: A

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NO.7 Which two factors should you consider prior to performing an upgrade? (Choose two.)
A. the physical location of the highest numbered search node
B. the physical location of the highest numbered storage node
C. the install user password
D. the service user password
Answer: B,C

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NO.8 Which three statements are true about encryption on a HCP? (Choose three.)
A. Once enabled, encryption cannot be disabled.
B. The encryption key is accessible through the system management console.
C. Encryption can only be enabled at the time of installation.
D. The encryption key must be written down and given to the customer.
E. The encryption key is displayed several times during the installation process.
Answer: A,C,D

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NO.9 A customer wants to ingest around 1 million files residing in several Windows 2003 and
RedHat Linux servers into three newly created HCP tenants and namespaces.
Which two procedures do you recommend? (Choose two.)
A. Use copy, move and create directory functions available from HCP client tools for Linux.
B. Use copy, move and create directory functions available from Linux server.
C. Use copy, move and create directory functions available from HCP client tools for Windows.
D. Use copy, move and create directory functions available from Windows server.
Answer: A,C

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NO.10 You are establishing a replication link between two HCP platforms. You set the performance
level as
part of the configuration options. What does this setting indicate?
A. the server priority rate for nodes associated with that replication link
B. the amount of bandwidth made available for replication on the link
C. the number of concurrent replication operations that can occur on each node
D. the data transfer rate associated with each tenant namespace
Answer: C

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NO.11 Which two statements are true about the HCP back-end network? (Choose two.)
A. All nodes in a HCP system must be on the same system-specific private back-end IP subnet.
B. All nodes in a HCP system must be split across a dual-redundant private back-end IP subnet.
C. The fourth octet of the back-end IP addresses should not be changed after it has been
configured.
D. The fourth octet of the back-end IP addresses must match the fourth octets used in the front-end
IP
addresses.
Answer: A,C

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NO.12 A customer expects to store 4 billion objects with an initial HCP configuration. Search is not
required at this time.
Which configuration will meet the requirements for this customer?
A. HCP 300 with ten storage nodes
B. HCP 500 with two storage nodes
C. HCP 300 with four storage nodes
D. HCP 500 with eight storage nodes
Answer: A

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NO.13 A storage administrator on a customer site is performing a diagnosis of the HCP system by
reviewing the system event logs.
Which two are recorded in the system events log? (Choose two.)
A. logical volume failures
B. namespace list
C. users deleted
D. roles assigned
Answer: A,C

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NO.14 What is the required zone configuration of a SAN fabric to support a HCP 500?
A. one global zone containing all HCP nodes World Wide Port Names (WWPN) of the HBA ports and
the
storage ports
B. one zone per HCP node containing two members: World Wide Port Names (WWPN) of the HBA
port
and the storage port
C. two mirrored zones; one containing the even numbered World Wide Port Names (WWPN) of the
HBA
port and the storage port; the other containing odd numbered ports
D. two zones: one zone containing all HCP nodes World Wide Port Names (WWPN) of the HBA ports
and
the second zone containing all the storage ports
Answer: B

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NO.15 You are adding two more volumes into each node of a HCP 500 DL. The storage administrator
informs you that all SAN volumes have been created, zoned and presented to the HCP.
Which LUN number presented to the HCP will cause a problem.?
A. 5
B. 128
C. 130
D. 131
Answer: B

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NO.16 Which three replication types are supported by HCP? (Choose three.)
A. chain
B. many-to-one
C. one-to-many
D. bidirectional
E. link level
Answer: A,B,D

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NO.17 How should the RAID group(s) and logical volume(s) be configured on a HCP 300 node?
A. three RAID groups each with three logical volumes
B. three RAID groups each with a single logical volume
C. a single RAID group with a single logical volume
D. a single RAID group with three logical volumes
Answer: D

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NO.18 Your customer wants to use IP addresses which conflict with the default HCP network
settings. As a result you need to change the back-end IP addresses for each HCP node.
Which HCP network settings should you change?
A. the back-end gateway router IP address
B. the back-end subnet mask
C. the first three octets of the back-end IP addresses
D. the fourth octet of the back-end IP addresses
Answer: C

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NO.19 A customer has an existing HCP 500 consisting of four storages nodes. They have just
purchased an additional HCP 500 and you are informed that you will be performing the replication
setup.
What is the requirement prior to setting up replication?
A. trusted replication server certificates
B. replication link
C. outbound link name
D. inbound link name
Answer: A

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NO.20 Which OS LUN size do all HCP 300 configurations use?
A. 20 GB
B. 30 GB
C. 50 GB
D. 400 GB
Answer: B

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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 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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NO.3 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.4 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.5 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.6 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.7 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.8 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.9 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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2013年12月28日星期六

Hitachi HH0-440 study guide

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Exam Code: HH0-440
Exam Name: Hitachi (Storage Architect - Performance and Virtualization)
One year free update, No help, Full refund!
Total Q&A: 117 Questions and Answers
Last Update: 2013-12-28

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NO.1 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.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 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.4 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.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 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.7 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.8 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.9 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.10 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.11 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.12 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.13 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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NO.14 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.15 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.16 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.17 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.18 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.19 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.20 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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