QUESTION: 5

How many back-end disk operations are normally required to complete a small block random write operation to a LUN on a RAID 5 group?

Answer(s): C

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QUESTION: 6

In a VSP G200 system, what are two advantages of RAID 1+0 compared to RAID 5/6 for random write workloads? (Choose two.)

RAID 1+0 provides more useable capacity per for the same number of drives.
RAID 1+0 has less processing overhead.
Disk virtualization is lower.
RAID 1+0 has more efficient pre-fetch operation.

Answer(s): A,C

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QUESTION: 7

Which three functions are performed by a VSP G1000 Virtual Storage Director (VSD)? (Choose three.)

It executes host I/O requests.
It calculates parity.
It manages cache segment usage.
It moves data to/from cache.
It executes software such as HDP or copy products.

Answer(s): A,C,D

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QUESTION: 8

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

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.

Answer(s): A,B

Reference:

https://knowledge.hitachivantara.com/Documents/Management_Software/SVOS/8.2/Volume_Management_-_VSP_G1x00%2C_F1500/Tiered_Storage/02_About_active_flash

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QUESTION: 5

QUESTION: 6

QUESTION: 7

QUESTION: 8

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