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| Section | Weight | Objectives |
|---|---|---|
| Implementation, Operation & Troubleshooting | 20% | - Failover and failback processes - Common issues and resolution methods - Configuration and setup procedures - Monitoring replication status and performance |
| Architecture & Design | 25% | - Replication solution sizing and capacity planning - Disaster recovery and high availability planning - Interoperability with VSP and storage platforms - Network design and bandwidth requirements |
| Replication Concepts & Fundamentals | 20% | - Data protection and business continuity principles - Replication topologies and deployment models - Synchronous vs asynchronous replication - RPO and RTO definitions and requirements |
| Hitachi Replication Technologies | 35% | - Hitachi ShadowImage - Hitachi Universal Replicator (HUR) - Hitachi Command Suite management - Hitachi Global Active Device (GAD) - Hitachi TrueCopy |
Question 1
You are designing a customer's Hitachi Universal Replicator environment. You are determining journal and data volume layout.
Which HDS guideline should be followed?
A. When the customer's write workload is less than 50 percent of the available throughput of journal parity groups, the journal parity groups can be shared with user data.
B. The journal parity groups should not be shared with user data.
C. When the customer's write workload is less than 10 percent of the available throughput of journal parity groups, the journal parity groups can be shared with user data.
D. The journal and user data cannot be located on separate parity groups.
Question 2
Which two statements describe cache sizing considerations for Hitachi Universal Replicator? (Choose two.)
A. A cache increase of 1 GB for every journal group is recommended at the secondary site
B. A cache increase of 1.5 times is recommended at the primary and secondary sites.
C. A cache increase of 1.25 times is recommended at the primary and secondary sites.
D. No additional cache is required with Hitachi Universal Replicator due to use of journals.
Question 3
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. Number of disk units installed at the secondary site
B. The percentage of writes for the environment
C. The amount of latency between the sites
D. Total number of IOPS for the environment
Question 4
A customer is using ShadowImage (SI) on a Virtual Storage Platform. The customer experiences application data corruption on the SI P-Vol and chooses to issue an SI restore copy.
What is the state of SI pairs?
A. SMPL
B. RCPY
C. PSUS
D. PAIR
Question 5
A customer has experienced a disaster and has failed over to their Hitachi Universal Replicator copies at the secondary site. They have acquired new servers and storage for their production facility and they are ready to return operations to the production facility as quickly as possible.
Which two fallback procedures apply? (Choose two.)
A. Replication pairs can be suspended to allow changed tracks to be managed using the bitmap.
B. Perform the initial copy with the -nocopy option to allow operations to resume immediately.
C. Initial copy is required from the recovery site back to the production site.
D. Order devices in the HORCM file from the lowest change rate to the highest change rate.
Solutions:
| Question 1 Answer: B | Question 2 Answer: A,C | Question 3 Answer: B,D | Question 4 Answer: B | Question 5 Answer: C,D |
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