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Hitachi HH0-300 : HITACHI DATA SYSTEMS CERTIFIED EXPERT -REPLICATION SOLUTIONS ARCHITECT

HH0-300 real exams

Exam Code: HH0-300

Exam Name: HITACHI DATA SYSTEMS CERTIFIED EXPERT -REPLICATION SOLUTIONS ARCHITECT

Updated: Jul 26, 2026

Q & A: 112 Questions and Answers

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Hitachi HH0-300 Exam Syllabus Topics:

SectionWeightObjectives
Implementation, Operation & Troubleshooting20%- Configuration and setup procedures
- Common issues and resolution methods
- Failover and failback processes
- Monitoring replication status and performance
Hitachi Replication Technologies35%- Hitachi Command Suite management
- Hitachi ShadowImage
- Hitachi TrueCopy
- Hitachi Global Active Device (GAD)
- Hitachi Universal Replicator (HUR)
Architecture & Design25%- Interoperability with VSP and storage platforms
- Disaster recovery and high availability planning
- Network design and bandwidth requirements
- Replication solution sizing and capacity planning
Replication Concepts & Fundamentals20%- Data protection and business continuity principles
- RPO and RTO definitions and requirements
- Synchronous vs asynchronous replication
- Replication topologies and deployment models

Hitachi HITACHI DATA SYSTEMS CERTIFIED EXPERT -REPLICATION SOLUTIONS ARCHITECT Sample Questions:

1. A customer has a peak rolling average of 100 MB/s. They would like to preserve write order fidelity for up to 1 hour in their Hitachi Universal Replicator environment.
What should be the size of their journal group?

A) 200 GB
B) 100 GB
C) 300 GB
D) 360 GB


2. You are advising your customer on deploying host-based data collectors According to HDS, what are three recommendations? (Choose three.)

A) Start all collectors during the same time period.
B) Collect data on non-replicated systems.
C) Collect data for six weeks.
D) Start collectors at different points in time.
E) Collect data during peak workload.


3. A customer would like to use Hitachi Thin Image to create snapshots on a VSP.
Which HDS guideline should be followed?

A) It must be on virtualized storage.
B) It must be in RAID groups in a dedicated CLPR.
C) An HDP pool must be shared.
D) It must be in dedicated RAID groups.


4. A customer has chosen TrueCopy for their disaster recovery replication to minimize data loss. The solution must minimize any potential host performance impact.
What are two considerations for this hardware configuration? (Choose two.)

A) The RCU should have the same number of replication ports as the MCU.
B) MCU and RCU disk configurations should be identical.
C) Both MCU and RCU should have additional disks added as journal volumes.
D) Production hosts should be removed from the RCU.


5. Which two statements describe cache sizing considerations for Hitachi Universal Replicator? (Choose two.)

A) No additional cache is required with Hitachi Universal Replicator due to use of journals.
B) A cache increase of 1.5 times is recommended at the primary and secondary sites.
C) A cache increase of 1 GB for every journal group is recommended at the secondary site
D) A cache increase of 1.25 times is recommended at the primary and secondary sites.


Solutions:

Question # 1
Answer: D
Question # 2
Answer: A,C,E
Question # 3
Answer: D
Question # 4
Answer: A,B
Question # 5
Answer: C,D

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