HCE-3700 by Hitachi Valid Free Exam Practice Test

Question 1

A customer complains about high response times. This occurs frequently with bursts of write I/O at 6,000 IOPS for 10 second periods during each minute. The write response is 60 ms during these 10 second periods.
The average IOPS rate reported by Hitachi Tuning Manager over 1 minute is 600.
In this scenario, what is the average response time over 1 minute?

A. 30 ms B. 90 ms C. 10 ms D. 60 ms

Correct Answer: C

Question 2

DP-Vol LUNs are taken from an HDP pool deployed with 128 disks (16x4D+4D RAID groups). Access is random read.
Which combination of FC paths, LUN Queue Depth, and number of DP-Vols will result in a per-disk queue of
4 within this pool?

A. 2 paths, a LUN Queue Depth of 8, and 32 DP-Vols B. 2 paths, a LUN Queue Depth of 16, and 32 DP-Vols C. 4 paths, a LUN Queue Depth of 8, and 32 DP-Vols D. 4 paths, a LUN Queue Depth of 16, and 32 DP-Vols

Correct Answer: D

Question 3

Relocation cycles are regulatory failing to complete in an HDT implementation where the customer is also reporting lower than expected performance.
What should be done in this scenario?

A. Change to Continuous mode and increase the monitor period cycle time. B. Change to Period mode and reduce the monitor period cycle time. C. Change to High-Performance mode and reduce the monitor period cycle time. D. Change to Period mode and increase the monitor period cycle time.

Correct Answer: D

Question 4

Which two port options are bi-directional on a VSP G800? (Choose two.)

A. Replication-Target (RCU) B. Open Target (TAR) C. External Target (eLUN) D. Mainframe (FICON)

Correct Answer: A,B

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Question 5

On a VSP G1000, the maximum I/O Request Limit for an external initiator port has been exceeded. What are two consequences of this activity? (Choose two.)

A. New writes will back up into the VSP G1000 cache. B. The host will not be able to process new I/O requests. C. The host will see a minor change in response times. D. The host will see rapidly rising response times per request.

Correct Answer: B,C

Question 6

Your VSP G1000 customer has an HDP pool with 600 GB drives and they need more IOPS in the pool. Which action will satisfy the requirement?

A. Create a new HDP pool. B. Add more 600 Gb drives of the same type. C. Spread the pool over storage tiers. D. Add 1.2 TB drives to the pool.

Correct Answer: C

Hitachi Vantara Certified Expert - Performance architect - HCE-3700 Exam Practice Test