Hitachi Data Systems Certification HH0-300

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

1. A customer needs to make a business case for purchasing ShadowImagefor a key database
What are two benefits that ShadowImagecopies provide? (Choose two.)

A) It provides rapid disk-based recovery.
B) It provides up to 64 copies of data.
C) It reduces backup impact to production host.
D) It provides site-wide disk-based disaster recovery.

2. You are designing an asynchronous replication solution for a customer. The customer would like to replicate a database and transaction logs. The customer experienced an unplanned outage.
In this scenario, which statement is true?

A) Log volumes will contain all transactions.
B) The database can be recovered to current state.
C) Log volumes may not contain all transactions.
D) The database cannot be recovered.

3. If write MB/s is unavailable for an application, which three metrics should be used together to determine write throughput? (Choose three.)

A) Read/write ratio
B) Total IOPS
C) Block size
D) Read IOPS
E) Link latency

4. Which two factors are used together to calculate journal size requirements to buffer replication during network outages? (Choose two.)

A) read/write ratio
B) anticipated outage duration
C) peak write MB/sec
D) latency

5. Which two statements describe cache sizing considerations for Hitachi Universal Replicator? (Choose two.)

A) A cache increase of 1.25 times is recommended at the primary and secondary sites.
B) No additional cache is required with Hitachi Universal Replicator due to use of journals.
C) A cache increase of 1.5 times is recommended at the primary and secondary sites.
D) A cache increase of 1 GB for every journal group is recommended at the secondary site

Solutions: