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Hitachi Vantara Certified Expert - Performance architect Questions and Answers

Question 5

Which two statements are true about the Active Flash feature on the VSP Midrange? (Choose two.)

Options:

The Active Flash feature of Hitachi Dynamic Tiering monitors page access frequency in real-time, and

immediately promotes pages that suddenly become busy.

The Active Flash feature can be enabled on any HDT pool as long as Tier 1 of the Dynamic Tiering pool is composed of SSD or FMD drives.

The Active Flash feature can be enabled on any HDP pool as long as the pool is comprised of SSD or

FMD drives.

The Active Flash feature of Hitachi Dynamic Tiering monitors page access frequency in real-time, and

promotes pages based on a predefined schedule.

Question 6

A 10K RPM Small Form Factor 600 GB disk drive has a 3 ms average rotational latency and a 4 ms average

seek time. How many random read IOPS would you expect from a 4D+4D RAID group using these drives

before any consideration for cache hits or queuing optimization benefits?

Options:

approximately 570 IOPS

approximately 1,140 IOPS

approximately 1,530 IOPS

approximately 2,280 IOPS

Question 7

Which three statements are true regarding a VSP G400 configuration for a Microsoft Exchange Server

environment? (Choose three.)

Options:

RAID 1+0 is a recommended RAID level for the database volumes.

RAID 6 is a recommended RAID level for the database volumes.

HDP is a recommended configuration for database volumes.

Parity group concatenation is recommended.

Microsoft JetStress testing should be used to validate the required performance.

Question 8

A user reports fluctuating LUN response times every day between 8:00 AM and 9:00 AM as users arrive and log in.

How do you identify this condition using Hitachi Tuning Manager?

Options:

View LUN response times and RAID group utilization (% busy) averaged over the 60 minutes.

View the random write counts every minute.

View LUN response times and RAID group utilization (% busy) every minute.

View LUN response times and correlate against the Cache Write Pending level every 15 minutes.

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Hitachi Vantara Certified Expert - Performance architect Questions and Answers

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CompTIA

Fortinet

Microsoft

Salesforce