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Hitachi HH0-300 Exam Syllabus Topics:

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

1. A customer is concerned with maintaining real-time recovery volumes across several hundred kilometers with minimal impact to host response time. Network infrastructure between the two facilities is subject to periodic bandwidth reductions due to surges in overall network activity. The customer is unwilling to invest in additional network capacity.
Which replication approach should you recommend for this application?

A) Synchronous replication
B) In-system replication to virtualized storage
C) Mediated point-in-time replication
D) Journal-based asynchronous replication

2. A customer is planning to replicate 10 TB of data using synchronous replication.
What are two primary considerations? (Choose two.)

A) the number of host write IOPS per second of the secondary system
B) the available bandwidth
C) the number of host channels attached to the secondary system
D) the distance between data center

3. A customer has a three data center (3DC) with delta resync configuration running a TrueCopy link and an HUR link.The primary site fails and they want to fail over to the TrueCopy secondary site.
Which two statements are true? (Choose two.)

A) An initial copy of the HUR delta resync is not required.
B) They must run a horctakeover at the TrueCopy P-Vol site.
C) An initial copy of the HUR delta resync must be performed.
D) They must run a horctakeover at the TrueCopy S-Vol site.

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

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

5. A customer is planning to replicate 36 TB of data using asynchronous replication over 500 miles (805 km) on a VSP.
What are two considerations for sizing the expected solution? (Choose two.)

A) aggregate throughput for parity groups
B) number of host storage domains on a host initiator port
C) journal disk type
D) TrueCopy Extended Distance pool size

Solutions: