Last Updated: Aug 19, 2026
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| Section | Weight | Objectives |
|---|---|---|
| Architecture & Design | 25% | - Replication solution sizing and capacity planning - Network design and bandwidth requirements - Interoperability with VSP and storage platforms - Disaster recovery and high availability planning |
| Replication Concepts & Fundamentals | 20% | - Replication topologies and deployment models - Synchronous vs asynchronous replication - Data protection and business continuity principles - RPO and RTO definitions and requirements |
| Hitachi Replication Technologies | 35% | - Hitachi Command Suite management - Hitachi Global Active Device (GAD) - Hitachi ShadowImage - Hitachi TrueCopy - Hitachi Universal Replicator (HUR) |
| Implementation, Operation & Troubleshooting | 20% | - Common issues and resolution methods - Configuration and setup procedures - Failover and failback processes - Monitoring replication status and performance |
1. In which situation should Inflow Control be disabled?
A) The customer's top priority is to maintain continuous replication.
B) The customer's top priority is to maintain application response time
C) The customer has limited journal disk space.
D) The customer requires non-replicated transactions to be rejected.
2. Which two benefits does Hitachi Thin Image provide? (Choose two.)
A) Suspended pairs do not impact host performance.
B) It can make copies with less storage than the P-Vol consumes.
C) It protects data against physical hardware failures.
D) It makes more than 10 copies of primary volumes.
3. You want to calculate resource requirements for Hitachi Universal Replicator.
Which two formulas are appropriate? (Choose two.)
A) Journal Capacity = (peak rolling average write MB/sec) * RPO (minimum of 6 GB)
B) Bandwidth = peak rolling average in MB/sec
C) Number of RAID groups for journal volumes = (peak rolling average MB/sec based on RPO) / (total throughput per RAID group)
D) Host delay = 2 * [(distance between MCU and RCU) / (speed of light)] + losses due to network overhead
4. 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) 300 GB
B) 360 GB
C) 100 GB
D) 200 GB
5. A customer has a HUS 130 array and wants an asynchronous solution. The customer needs to understand which factors influence the TrueCopy Extended Distance cycle time.
Which two factors should be considered? (Choose two.)
A) when splitting the pairs, the S-Vol will wait until the next update cycle so a reduced cycle time is important
B) reduced cycle time will always reduce your RPO
C) the amount of data written to the P-Vol
D) the maximum amount of data loss the operation could survive during a disaster
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: B,D | Question # 3 Answer: A,B | Question # 4 Answer: B | Question # 5 Answer: C,D |
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