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Hitachi HH0-300 Exam Syllabus Topics:
| Section | Weight | Objectives |
| Replication Concepts & Fundamentals | 20% | - Synchronous vs asynchronous replication
- Replication topologies and deployment models
- Data protection and business continuity principles
- RPO and RTO definitions and requirements
|
| Hitachi Replication Technologies | 35% | - Hitachi Command Suite management
- Hitachi Universal Replicator (HUR)
- Hitachi Global Active Device (GAD)
- Hitachi ShadowImage
- Hitachi TrueCopy
|
| Implementation, Operation & Troubleshooting | 20% | - Monitoring replication status and performance
- Failover and failback processes
- Common issues and resolution methods
- Configuration and setup procedures
|
| Architecture & Design | 25% | - Disaster recovery and high availability planning
- Interoperability with VSP and storage platforms
- Network design and bandwidth requirements
- Replication solution sizing and capacity planning
|
Hitachi HITACHI DATA SYSTEMS CERTIFIED EXPERT -REPLICATION SOLUTIONS ARCHITECT Sample Questions:
1. A customer is using ShadowImageon a Virtual Storage Platform. The customer would like to delete a pair from replication.
Which command should be used?
A) pairsplit-R
B) pairsplit-d
C) pairsplit-S
D) pairsplit-D
2. Which statement accurately describes RTO?
A) RTO is the period of time after an outage in which the systems and data must be restored to the RPO
B) RTO indicates the time required to recover or fail over network operations.
C) RTO describes the age of the data you want the ability to restore in the event of a disaster.
D) RTO is the amount of data which must be restored to the predetermined RPO after an outage.
3. You have determined thatTrueCopy is required to meet a customer's requirements.
How is the bandwidth requirement determined?
A) Calculate average write MB/sec.
B) Calculate distance between the sites.
C) Calculate peak rolling average write MB/sec.
D) Calculate peak write MB/sec.
4. A customer is using Hitachi Universal Replicator to continuously replicate a database's data and log volumes.
Which two statements describe what will happen? (Choose two.)
A) At recovery time, the database will reconcile logs and transactions.
B) A database checkpoint will be created upon failover.
C) In the case of a planned outage, log volumes may not include all transactions.
D) In the case of an unplanned outage, log volumes may not include all transactions.
5. 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 is too great for Fiber Channel to maintain session
B) The distance between the sites introduces too much latency.
C) Insufficient MCU cache has activated inflow control.
D) Cache configurations of the RCU and MCU do not match.
Solutions:
Question # 1 Answer: C | Question # 2 Answer: A | Question # 3 Answer: D | Question # 4 Answer: A,D | Question # 5 Answer: B |