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Hitachi HH0-300 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Implementation and Administration | - Configuration of replication solutions - Monitoring and management of replication processes - Operational procedures and best practices |
| Storage and Replication Fundamentals | - Business continuity and disaster recovery concepts - Data replication principles (synchronous and asynchronous) - Core storage architecture concepts |
| Architecture and Solution Design | - Performance and bandwidth considerations - High availability and disaster recovery architectures - Replication topology design |
| Troubleshooting and Optimization | - Failover and failback procedures - Common replication issues and resolution methods - Performance tuning and optimization strategies |
| Hitachi Replication Technologies | - Storage-based replication mechanisms - Remote copy and data mobility solutions - Hitachi replication portfolio overview |
Hitachi HITACHI DATA SYSTEMS CERTIFIED EXPERT -REPLICATION SOLUTIONS ARCHITECT Sample Questions:
Question 1
A customer is using Hitachi Universal Replicator (HUR) and does not have sufficient network bandwidth. During a peak write workload, the customer overflows their HUR journals and replication suspends in error.
What happens when the customer issues a resychronization?
A. HUR performs an initial copy.
B. HUR performs a differential copy.
C. HUR performs an at-time split.
D. HUR performs a no copy.
Question 2
A customer is planning to replicate 36 TB of data using asynchronous replication. What are two primary considerations for sizing the expected solution? (Choose two.)
A. The amount of latency between the sites
B. Number of disk units installed at the secondary site
C. The percentage of writes for the environment
D. Total number of IOPS for the environment
Question 3
Which sizing metric is directly affected by the peak write MB/sec measurement provided by the workload analysis?
A. cache
B. shared memory
C. telecommunication bandwidth
D. selection of DWDM or IP-based connectivity
Question 4
A customer implements TrueCopy replication for an active OLTP database and users begin to complain about database response time. The customer is running Fiber Channel over DWDM and the peak write workload only consumes half of the available bandwidth on the link.
Which factor affects the database response time?
A. The distance between the sites introduces too much latency.
B. The distance between the sites is too great for Fiber Channel to maintain session
C. Insufficient MCU cache has activated inflow control.
D. Cache configurations of the RCU and MCU do not match.
Question 5
What is the correct formula to calculate Hitachi Universal Replicator bandwidth sizing?
A. Peak(Write MB/sec)+30%
B. PeakRollingAverage(WriteMB/sec)+30%
C. Peak(Write MB/sec)
D. PeakRollingAverage(WriteMB/sec)
Solutions:
| Question 1 Answer: B | Question 2 Answer: C,D | Question 3 Answer: C | Question 4 Answer: A | Question 5 Answer: D |






