Hitachi Hitachi Data Systems Certification HH0-300

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

1. Your customer has an Oracle database at their primary site. They will be replicating the data to a remote site and they want the remote site to be as current as possible. They do not have unlimited bandwidth and cannot exceed an RPO of one hour.
What is the correct solution for this requirement?

A) TrueCopy scripted to begin a resync and split sequence once per hour
B) ShadowImagecopy at the primary site replicated with HUR once per hour
C) ShadowImagecopy at the primary site replicated with TrueCopy once per hour
D) Hitachi Universal Replicator left in PAIR state with adequate bandwidth to support the RPO

2. 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 at-time split.
B) HUR performs a differential copy.
C) HUR performs an initial copy.
D) HUR performs a no copy.

3. Which two workload measurements are used to calculate bandwidth requirements for replication? (Choose two.)

A) Write MB/s
B) readIOPS
C) Host response time
D) Write IOPS

4. What are two factors in determining the impact to host response time when replicating data using TrueCopy over Fiber Channel links? (Choose two.)

A) the speed of the disk drives
B) bandwidth available between sites
C) the distance between the sites
D) the speed of the Fiber Channel switch

5. You want to calculate resource requirements for Hitachi Universal Replicator.
Which two formulas are appropriate? (Choose two.)

A) Number of RAID groups for journal volumes = (peak rolling average MB/sec based on RPO) / (total throughput per RAID group)
B) Journal Capacity = (peak rolling average write MB/sec) * RPO (minimum of 6 GB)
C) Host delay = 2 * [(distance between MCU and RCU) / (speed of light)] + losses due to network overhead
D) Bandwidth = peak rolling average in MB/sec

Solutions: