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Hitachi HH0-300 HITACHI DATA SYSTEMS CERTIFIED EXPERT – REPLICATION SOLUTIONS ARCHITECT Exam Practice Test

Demo: 16 questions
Total 112 questions

HITACHI DATA SYSTEMS CERTIFIED EXPERT – REPLICATION SOLUTIONS ARCHITECT Questions and Answers

Question 1

A customer has a peak rolling average of 100 MB/s. They would like to preserve write order fidelity for up to 1 hour in their Hitachi Universal Replicator environment.

What should be the size of their journal group?

Options:

A.

100 GB

B.

200 GB

C.

300 GB

D.

360 GB

Question 2

A customer is running two production sites. They are using DWDM links to connect their sites. The customer wants to extend their SAN between both sites.

What are two benefits of extending their SAN? (Choose two.)

Options:

A.

It offers high bandwidth for a short to medium distance.

B.

It simplifies SAN management.

C.

It is a low cost solution.

D.

It eliminates the need for FCIP converters.

Question 3

A customer notices poor performance with the ShadowImage S-Vols that reside on an externalized HUS 150. They have not noticed any problems with internal ShadowImage S-Vols.

Which system option mode (SOM) and setting should you verify?

Options:

A.

Verily that SOM 459 is off.

B.

VerilythatSOM459ison.

C.

VeritythatSOM489ison.

D.

Verily that SOM 489 is off.

Question 4

A customer plans a 2-day disaster recovery test once a quarter. They use a 4-copy model for replication and have an RPO of 24 hours.

Which statement is true?

Options:

A.

No additional point-in-time copy is required for non-disruptive disaster recovery testing.

B.

Testing against the recovery copy will not impact the RPO if they have a disaster during the test.

C.

Creating an additional point-in-time copy is required for non-disruptive disaster recovery testing.

D.

Testing against the disaster recovery site point-in-time copy will not impact the RPO if they have a disaster during the test.

Question 5

A customer is using 10 GB of a 32 GB non-HDP LDEV. They plan to replicate this data using Hitachi Universal Replicator to a HDP LDEV on a secondary array.

What should the customer consider when planning to replicate to an HDP volume?

Options:

A.

A cascaded ShadowImagecopy from the secondary volume must be an HDP volume.

B.

A cascaded ShadowImagecopy from the secondary volume must be a normal volume.

C.

The secondary volume will consume the amount of the entire primary LDEV in the HDP pool.

D.

The secondary volume will consume the amount of the used data on the primary LDEV in the HDP pool.

Question 6

On a Virtual Storage Platform, a customer wants to create a daily in-system replication copy of a database. They want to retain each copy for 90 days.

Which product is required?

Options:

A.

Hitachi Thin Image

B.

Hitachi ShadowImage

C.

Hitachi Copy-On-Write

D.

Hitachi Dynamic Replicator

Question 7

Which tool will capture write workload data on Windows hosts?

Options:

A.

iostat

B.

glance+

C.

PerfMon

D.

RaidManager/CCI

Question 8

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

Options:

A.

A cache increase of 1.5 times is recommended at the primary and secondary sites.

B.

A cache increase of 1.25 times is recommended at the primary and secondary sites.

C.

No additional cache is required with Hitachi Universal Replicator due to use of journals.

D.

A cache increase of 1 GB for every journal group is recommended at the secondary site

Question 9

A customer would like to use Hitachi Thin Image to create snapshots on a VSP.

Which HDS guideline should be followed?

Options:

A.

An HDP pool must be shared.

B.

It must be on virtualized storage.

C.

It must be in dedicated RAID groups.

D.

It must be in RAID groups in a dedicated CLPR.

Question 10

A customer has chosen TrueCopy for their disaster recovery replication to minimize data loss. The solution must minimize any potential host performance impact.

What are two considerations for this hardware configuration? (Choose two.)

Options:

A.

Production hosts should be removed from the RCU.

B.

MCU and RCU disk configurations should be identical.

C.

The RCU should have the same number of replication ports as the MCU.

D.

Both MCU and RCU should have additional disks added as journal volumes.

Question 11

A customer has multiple related applications. The replicated LUNs for these applications must be consistent with each other. The customer experiences a link failure.

Which two methods will meet the customer's requirement? (Choose two.)

Options:

A.

Create multiple consistency groups.

B.

Create a single consistency group for all LUNs.

C.

Use log shipping to enable roll forward to become consistent.

D.

Use Hitachi Universal Replicator with journals to ensure consistency.

Question 12

In which state is a disaster recovery site ShadowImage copy I/O consistent?

Options:

A.

PAIR

B.

PSUS

C.

RCPY

D.

COPY

Question 13

A customer would like a daily point-in-time copy of their database and retain each copy for two weeks. The customer would like to maximize their host write performance on the production server when the pairs are suspended.

Which product would satisfy the requirement?

Options:

A.

ShadowImage

B.

Hitachi Dynamic Replicator

C.

Copy-on-Write

D.

Hitachi Thin Image

Question 14

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?

Options:

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.

Question 15

A customer wants to implement TrueCopy replication between VSP arrays. The arrays are 200 km apart.

Which two statements are true? (Choose two.)

Options:

A.

The distance between the two sites will not have an effect on host latency.

B.

The distance between the two sites will have an effect on host latency.

C.

TrueCopy is not certified to be used for this distance.

D.

TrueCopy is certified to be used for this distance.

Question 16

What are two benefits of using ShadowImage on an HUS 150? (Choose two.)

Options:

A.

It provides up to 8 copies.

B.

It provides up to 9 copies.

C.

S-Vol can be cascaded off a TrueCopy volume

D.

S-Vol size can be larger than the P-Vol.

Demo: 16 questions
Total 112 questions