Dell EMC Exam E20-526 Topic 7 Question 7 Discussion

Actual exam question for Dell EMC's E20-526 exam

Question #: 7
Topic #: 7

A customer is considering XtremIO storage for their current Virtual Desktop Infrastructure (VDI) deployment. The customer wants information on the benefits of an XtremIO solution.

What are the benefits of an XtremIO solution for this environment?

ALatency is less than 1 ms for all large I/O sizes, deduplication with compression, and scales linearly

BLatency is less than 1 ms for large I/O sizes, deduplication and compression, and no reduction in power and cooling costs

CLatency is less than 1 ms for small I/O sizes, scales linearly, and slightly higher cost/IOP/GB than hybrid arrays

DLatency is less than 1 ms for small I/O sizes, deduplication and compression, and scales linearly

Show Suggested Answer

Suggested Answer: A

Storage capacity and performance scale linearly, such that two X-Bricks supply twice the IOPS, four X-Bricks supply four times the IOPS, six X-Bricks supply six times the IOPS and eight X-Bricks supply eight times the IOPS of the single X-Brick configuration. However, the latency remains consistently low (less than 1ms) as the system scales out. The sub-millisecond latency is validated by actual test results, and is determined according to the worst-case scenario.

References: Introduction to the EMC XtremIO STORAGE ARRAY (April 2015), page 37

by Selma at May 03, 2022, 04:33 PM

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