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Hitachi HH0-300 Exam Syllabus Topics:

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

1. 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) Initial copy is required from the recovery site back to the production site.
C) Order devices in the HORCM file from the lowest change rate to the highest change rate.
D) Perform the initial copy with the -nocopy option to allow operations to resume immediately.

2. You are interviewing a customer about their applications. The customer requires write order fidelity for their application.
What would you recommend?

A) consistency groups
B) number of journal groups
C) host groups
D) parity groups

3. Your customer is determined to conduct disaster recovery testing with the Hitachi Universal Replicator volume in a read/write state at the secondary site. The test will take 4 hours and they have a 4-hour RPO.
Which two impacts will this have on their ability to recover from a disaster? (Choose two.)

A) The customer will exceed their RPO at the end of the test.
B) The customer will be within their RPO at the end of the test.
C) The customer will be at risk from a disaster at the primary site.
D) The customer will have protection from logical corruption during the test.

4. You want to calculate resource requirements forTrueCopy.
Which formula is appropriate?

A) Bandwidth = peak rolling average * RPO / 2
B) Bandwidth = cycle time peak rolling average
C) Bandwidth = peak rolling average based on RPO
D) Bandwidth = peak write workload

5. Which two workload metrics are used to calculate replication bandwidth requirements? (Choose two.)

A) read/write ratio
B) disk latency
C) host response time
D) total MB/sec throughput

Solutions: