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Implementing HP XP1024/128 Array Solution Fundamentals : HP0-891 Exam

Exam Number/Code: HP0-891
Exam Name: Implementing HP XP1024/128 Array Solution Fundamentals

“Implementing HP XP1024/128 Array Solution Fundamentals”, also known as HP0-891 exam, is a HP certification.
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QUESTION 1
On an XP1024 array, what is the maximum number of DKUs that can be supported
on a single ACP pair?

A. one
B. two
C. three
D. four

Answer: B

QUESTION 2
Which three numbers are valid volume definitions with an XP array? (Choose
three.)

A. 00:01
B. ff:256
C. 64:FF
D. 06:0C
E. 00:00

Answer: A, D, E

QUESTION 3
A LUN is seen by a SUN host, but is unable to be written to.
What might cause this?

A. LDEV is in the wrong CU table.
B. The command device is not configured.
C. The WWN in Secure Manager is incorrect.
D. The incorrect host mode is set in the host group.

Answer: D

QUESTION 4
Which generation of HP’s use of Hitachi technology is the XP1024?
A. first
B. second
C. third
D. fourth

Answer: C

QUESTION 5
Hitachi Ltd. of Japan has an OEM relationship (as it relates to XP array
technology) with______ .

A. HP only
B. HDS and HP only
C. Sun Microsystems and HP only
D. Sun Microsystems, HDS, and HP

Answer: A

QUESTION 6
What is the maximum raw capacity of an HP StorageWorks XP128 disk array
subsystem in a cabinet using 146 GB disk drives?

A. 9.3 TB
B. 12 TB
C. 18 TB
D. 149 TB

Answer: C

pass4sure HP HP0-891 Questions and Answers : 140 questions
Updated: March 21st , 2008

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HP Certified Professional
Implementing HP XP1024/128 Array Solution
Fundamentals
HP0-891
Exam Preparation Guide

Purpose of the exam prep guide
The intent of this guide is to set expectations about the content and the context
of the exam and to help candidates prepare for the exam. In this guide, you
will find recommended HP training courses, reference and study material to
help you achieve a successful passing score.
Studies conducted by HP and Prometric show that a combination of course
attendance and self-study maximizes the likelihood of passing the exam on the
first attempt.
Audience
This exam is for technical presales personnel who design, deploy, configure
and integrate SAN-based storage solutions.
Examples of job roles: SAN Architect Storage Consultant Storage SA

General areas of content include: XP Hardware Components and Specification Architecture and Configuration Volume Concepts Command View: Basic Architecture and Usage Command View: LUN Configuration and Security Manager Command View: Volume Operations Business Copy Description and Configuration of the HP StorageWorks Disk Array
xp1024 & xp128 Familiarity with the NSS Sizer Tool
Certification requirements
Implementing HP XP1024/128 Array Solution Fundamentals Exam HP0-891
is a core requirement to be certified as an Accredited Presales Consultant
(APC) ¨C Specialty in HP StorageWorks XP Solutions.
Prerequisites for Accredited Presales Consultant (APC) ¨C Specialty in HP
StorageWorks XP Solutions:
APC – HP Enterprise Storage Solutions Accredited Presales Consultant (APC) – HP Enterprise Storage
Solutions Accredited Systems Engineer (ASE) ¨C HP StorageWorks
The Implementing HP XP1024/128 Array Solution Fundamentals Exam HP0-
891 is also being offered as one of the electives in the certification track to be
certified as an Accredited Systems Engineer (ASE) ¨C HP StorageWorks.
This level of certification measures the competencies required for hands-on
integration and support of technical solutions in complex, enterprise class
environments. Given a set of customer business requirements, this individual
is expected to be able to design, support and integrate platform, operating
system, storage, network and option components to solve business needs. The
ideal candidate is anyone who deploys complex solutions based on HP
technologies. Individuals pursuing this level must meet the prerequisite of
having the Accredited Integration Specialist certification.
Prerequisites for Accredited Systems Engineer (ASE) – HP StorageWorks are
any one of the following: AIS – HP StorageWorks AIS – HP StorageWorks + Windows&NetWare AIS – HP StorageWorks + UNIX
Exam details
At the beginning of the exam, you will be asked to answer several survey
questions. The survey questions are designed to assist the exam development
team in accurately profiling test results and to improve future exams.
The following are details about the exam: Number of items: 72 Item types: multiple choice, drag and drop Time commitment: 90 minutes Passing Score: 68% Reference Material: No on-line or hard copy reference material will
be allowed at the testing site.
Exam Registration This exam is available at Prometric.
Comments on the exam
During the exam, participants can make specific comments about the items
(i.e., accuracy, appropriateness to audience, etc). HP welcomes these
comments as part of our continuous improvement process.
Exam content
The following testing objectives represent the specific areas of content
covered in the exam. Use this outline to guide your study and to check your
readiness for the exam. The exam measures your understanding of these areas.

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Overview
Describe the positioning, ancestry, and HP-Hitachi relationship for the XP family of arrays.
Identify the XP hardware components and their modularity and scalability.
Identify and describe the XP license-activated software and value-added products.
Describe the high-availability feature set of the XP array.
Describe the licensing strategy for XP array products.
Identify and define the common XP terms and acronyms.
XP Hardware Components and Specification
Describe the purpose, features, and functions of the XP array DKC (Disk Controller) and the DKU (Disk
Unit).
Describe the power options available for the XP1024/128 arrays.
Given a list of the orderable XP array hardware components, describe the purpose, features, and functions
of these products and identify the customer relevant information about each.
Identify and visually recognize the components of the XP array such as CHIP (Client Host Interface
Processor) and SVP (Service Processor).
Architecture and Configuration
Identify and describe purpose, features, and functions of the components of the array (CHIP, SM, CM, ACP,
HDD, Cross Bar Switch).
Given customer performance specifications for multiple server connectivity, determine the array
configuration necessary to meet the customer needs including array type, number of array groups, RAID
level, and configuration.
Given customer performance specifications and number of array groups, correctly size cache and shared
memory.
Explain how to implement RAID on the XP array including supported RAID types, disk configurations, and
volume information.
Given a customer!?s concern for 24×7x356 uptime, explain the XP microcode upgrade process including
CHIP unavailability and the saving of configuration information.
Identify the features and differences between the XP1024 and XP128 architecture.
Given a problem solving customer scenario, create proposed XP solutions for each. Customer requirements
may include performance, cost, and host connectivity.
Volume Concepts
Specific to XP, describe the concept of Parity Group and Free Space as it applies to different RAID types.
Explain how the XP Volumes are made available for use through the process of mapping a Volume to a port.
Describe the purpose, features, and functions of the OPEN-V Volume implementation mechanisms.
Given a problem solving scenario, distinguish between a Normal Volume, a Custom Volume, and an
Expanded Volume. Describe a normal Emulation Type and describe what the OPEN-V Emulation is.
Distinguish between an LDEV and a LUN from the perspective of the XP array.
Command View: Basic Architecture and Usage
Describe Command View to XP array communication including management station and client station
communication with each other and XP array.
Explain how to perform basic CV configurations such as adding a user and adding an array to manage.
Identify and describe the information presented in the Path Connectivity tab information area.
Explain how to perform fundamental CV operations such as install CV, push host agents, and basic CV
configuration tasks.
Command View: LUN Configuration and Security Manager
Describe the purpose, features, and functions of Host Groups.
Explain how to navigate to the LUN Management screen and perform LUN operations such as addition,
change, and deletion; and explain how to create Command Devices.
Explain why it is necessary and how to apply appropriate Host Mode settings for the various Host Groups.
Explain why it is necessary and how to add WWNs to host groups and map Volumes into the Host Group.
Command View: Volume Operations
Explain how to perform Command View Volume operations such as create and destroy LUSE and CVS
Volumes.
Explain how to perform Command View Volume operations such as use OPEN-V Volumes in the creation
and usage of free space.
Distinguish between LUSE and OPEN-V operations.
Business Copy
Given a list of common states that a BC pair can be in, describe the meaning of the states; pair states would
include the COPY state, the PAIR state, the SUSPEND state, and the SIMPLEX state.
Describe the three BC pair levels (tiers), and identify dependencies.
From Command View, explain how create multi-tier BC pairs.
Describe the purpose, features, and functions of CV XP Business Copy.
Explain how to perform fundamental BC Volume operations such as split, resync, and swap.
Configuration and NSS Sizer Tool
Describe the purpose, features, and function of and explain how to use the NSS Sizer Tool.
Describe the purpose, features, and function of and explain how to use the XP Configuration Guide.

Recommended Training and Study References
This section lists training courses and documents that can help you acquire a
majority of the knowledge and skills needed to pass the exam. You must also
gain the practical experience outlined in this guide.
You are not required to take the courses listed in this section. However, HP
strongly recommends that you attend the classes, participate in class labs,
and thoroughly review all course material and documents before taking the
exam, even if you believe you have sufficient on-the-job experience.
Instructor-Led Training
Use the information in this guide and the practical experience you have gained
to determine your need for the instructor-led training.
Implementing HP XP1024/128 Fundamentals 5-Day Instructor Led
Training Course(eLMS 16980)
Web-based Training
Self-paced training and technical documentation may provide appropriate
learning alternatives to instructor-led training for more experienced
candidates.
Title How to Order/Obtain
NSS Sizer http://h30144.www3.hp.com/

Documentation
Title Section Title Source/Order Number
HP StorageWorks Disk Array http://www.hp.com/products1/storage/products/disk_ar
XP1024 summary
rays/highend/xp1024/index.html
XP upgrade kit http://www.hp.com/products1/storage/products/disk_ar
rays/highend/xpupgrade/index.html
XP operating system http://www.hp.com/products1/storage/products/disk_ar
rays/highend/xpoperatingsystem/index.html
compatibility
XP array software http://h18006.www1.hp.com/storage/xparraysoftware.h
tml
Storage solutions http://h18006.www1.hp.com/storage/solutions.html
HP StorageWorks Disk Array http://www.hp.com/products1/storage/products/disk_ar
rays/highend/xp128/index.html
XP128 summary
HP Storage Service Offerings http://www.hp.com/hps/storage/
Subchapter 4.7.3 – HP http://source.hp.com/portal/file/cgch4sub7c.PDF?ci=e2
StorageWorks XP1024 Disk 3875&frn=1
Array : 5982-5173
Subchapter 4.7.2 – hp

http://source.hp.com/portal/file/cgch4sub7b.PDF?ci=e2

3874&frn=1
StorageWorks XP128 Disk
Array : 5982-5173
Subchapter 4.7.4 – HP http://source.hp.com/portal/file/cgch4sub7d.PDF?ci=e2
StorageWorks XP Disk Array 3876&frn=1
Software : 5982-5173

Conclusion
HP wishes you success in the HP Certified Professional Program and in
passing the exam for which you are preparing.

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