|Exam Name||:||Storage Architect - Performance & Virtualization|
|Questions and Answers||:||117 Q & A|
|Updated On||:||December 8, 2017|
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2 Questions: 1 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 setupconfiguration C. Estimated throughput D. Fabric trunk setupconfiguration E. Buffer credits Answer: A, B, C Questions: 2 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 Questions: 3 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 readwrite IOPS B. Cache read hit ratios C. Queue depths D. Transfer rates E. IOPS per physical disk Answer: A, B, E Questions: 4 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: A, B, C Questions: 5 Click the Exhibit button. Which three actions will help to reduce the level of Write Pending data in cache during periods of (Choose three.) Page 1 of 28
3 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: C, D, E Questions: 6 A Microsoft Exchange administrator team is responsible for managing five mailbox servers and maintaining acceptable service level objectives for your organization's 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 bytessecond B. Disk read bytessecond C. IO delays per sec D. Average disk read latency (ms) Answer: D Questions: 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 IRCREATE Page 2 of 28
4 B. Storage system microcode problem C. High internal path utilization D. High cache Write Pending Answer: A, D Questions: 8 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: A, C, D Questions: 9 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: B, C, E Questions: 10 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: A, C, D Questions: 11 Which two Hitachi Professional Services are available for modular and enterprise performance assessment and troubleshooting? (Choose two.) A. Storage Platform Assessment (S) B. Implementation Service for Hitachi Tuning Manager C. Implementation Service for Hitachi Storage Services Manager Software D. Tiered Storage Planning and Design Service Answer: A, B Page 3 of 28
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Hitachi Data Systems Certified Professional program new structure announcement
The Hitachi Data Systems Certified Professional program validates that our customers, partners and employees have demonstrated the knowledge, skills and abilities to innovate with Hitachi information solutions.
It is a role-based program that offers a variety of exams in the areas of storage solutions architecture, implementation and administration, using Hitachi Data Systems hardware, software, solutions, services and technology.
On May 1, 2014, the HDS Academy is launching a new certification program structure along with several other changes as the 1st step of a transition to a new certification framework.
Table of content
If using IE8 there is a known bug that will require you to click on the links twice to jump to the desired section.
This bug is being addressed for the next Jive software release.
The new Hitachi Data Systems Certified Professional program features a 2-tier assessment structure in which low-stakes and high-stakes testing is used in combination with 4 credential levels. This gives IT professionals the most appropriate assessment method for their role and provides them with an upgrade path to accompany career growth, allowing candidates to validate their evolving expertise through exams of increased complexity.
1. Accreditation-level testingThis level of testing leverages low-stakes exams typically used in 2 contexts:
Typical Hitachi Data Systems accreditation tests include 25 to 35 multiple-choice questions, may or may not be proctored and can be delivered as closed-book or open-book, either as end-of-course tests or in a stand-alone format.
Passing an accreditation test leads to a Qualification credential. Two levels are available:
2. Certification-level testingCertification-level exams are designed to effectively and accurately validate that candidates have the skills, knowledge and abilities to perform tasks specifically identified as relating to their job in real-life situations. In order to pass certification exams, candidates are expected to use knowledge acquired through multiple means and experiences including various formal and informal training and learning methods.
Hitachi Data Systems certification exams typically include 55 to 60 multiple-choice questions. They are closed-book proctored exams delivered at Prometric test centers.
Passing a certification exam leads to a Certification credential. Two levels are available:
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The new structure introduces domains of expertise and a set of new and revised tracks as shown in Figure 1.3 domains will be available at launch: Infrastructure, Content and Data Protection.
(this diagram is available for download at the bottom of the page)
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Sales track: this track is intended for Hitachi Data Systems partners and employees who sell products, solutions, services and technology from Hitachi Data Systems.
Pre-Sales track: this new track is intended for Hitachi Data Systems partner and employee pre-sales personnel who support the sales activities of Hitachi Data Systems products, solutions, services and technology.
Architect track: this track is intended for Hitachi Data Systems partner and employee architect personnel who assess, plan and design solutions that meet the business needs of HDS customers.
Implementation and integration track: this revised and updated track is intended for Hitachi Data Systems partner and employee implementation and professional services personnel who deploy, integrate and support solutions running on Hitachi storage systems.
Note: the former “Solutions” track has been integrated into the “Implementation & integration track”.
Installation and support track: this new track is intended for Hitachi Data Systems partner and employee installation personnel who install, configure and support Hitachi storage systems.
Administration track: this track is primarily intended for Hitachi Data Systems customer storage managers who use and administer Hitachi storage systems. It is also available to HDS employees and partners.
Basics and fundamentals track: this new track is an entry-level track for audiences who seek basic knowledge and understanding of IT concepts, technologies and standards.
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Figure 2 illustrates the new exam numbering system.
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Figure 3 lists the new exams categorized by credential levels.The column on the left “Former numbers” shows (when applicable) the corresponding exam numbers prior to May 1, 2014.
(this table is available for download at the bottom of the page)
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The Hitachi Certified Professional (HCP) credential is no longer required to obtain a certification credential in the new structure.
See the next section (“Exam transitions and retirements”) for details about the transition and the retirement of the HH0-130 Storage Foundations exam and associated supporting course THI2264.
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a) Exams retiring on May 1, 2014
• HDS-SQ100 (replaced with HAT-100)• SOT2320 (no replacement)• HH0-050 (replaced with HAT-050)• HH0-220 (replaced with HAT-420)• HH0-230 (replaced with HH0-530)• HH0-250 (replaced with HAT-450)• HH0-260 (replaced with HH0-560)• HH0-270 (replaced with HH0-500)• HH0-275 (replaced with HH0-550)• HH0-280 (replaced with HH0-580)• HH0-380 (replaced with HAT-680)• HH0-400 (replaced with HH0-300)• ">HH0-440 (replaced with HH0-340)• HH0-450 (replaced with HH0-350)
Note: Prometric will honor appointments after May 1 for all the appointments that were scheduled via their online system prior to that date. After May 1, people trying to schedule appointments for those exams will be redirected to the new exam list.
b) Exams retiring after May 1, 2014
In order to satisfy current and legacy TrueNorth Partner Program compliance requirements the following exams will remain available at Prometric test centers after May 1, 2014 for a temporary period:
HH0-130 is planned for retirement on August 1st, 2014.HH0-210 and HH0-240 will remain available until no longer required for compliance with the TrueNorth Partner Program.
During this retirement transition period, credentials associated with HH0-130, HH0-210 and HH0-240 will be granted according to the rules of the program as established prior to May 1, 2014.
For instance, passing the HH0-130 exam in May 2014 will grant the HCP credential for 2 years, and will renew at the same time any valid advanced credential the candidate may hold.
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a) Credentials earned prior to May 1, 2014All current and valid qualification and certification credentials acquired before May 1, 2104 remain valid until their expected expiration date, which is 2 years after exams were taken.
For these credentials, recertification is achieved by passing the HH0-130 Storage Foundations exam. This principle will remain active for valid credentials earned prior to May 1, 2104 until the HH0-130 exam is retired (see also section “Exam transitions and retirements” above).
Qualification and certification credentials expiring after May 1, 2014 will be renewed as part of the new structure by taking the corresponding new exam.
Important: there will be no credential conversion. Acquiring a credential in the new structure can only be achieved by passing an exam pertaining to the new structure.
b) Credentials earned from May 1, 2014 onwardsQualification and certification credentials acquired on, or after May 1, 2104 as part of the new program structure are valid 3 years from the date the exam is taken. Re-certification must take place every 3 years by passing the same exam.
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a) Accreditation testsAccreditation tests are offered at HDS facilities using the Prometric Internet-based Testing (IBT) online tool. They are administered and if applicable proctored by HDS personnel. Technical accreditation tests are typically delivered at the end of the associated supporting course. Candidates may register for the Internet-based Hitachi Data Systems accreditation tests at .ibt.prometricmhds.
The following accreditation tests are also available at Prometric test centers:
b) Certification examsAll certification exams are 3rd-party proctored and delivered through Prometric. They are available worldwide at Prometric test centers and candidates may register online at .prometricmhitachi.
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Certifications: Hitachi Data Systems Certification
Exam Name: Adaptable Modular Storage 2000 Family Install and Config
Exam Code: HH0-020
Total Questions: 105 Q&As
Last Updated: Nov 14, 2016
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Hitachi Data Systems Certification Exams
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