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Prepare for the Dell EMC Technology Architect, XtremIO Solutions Specialist exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.
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The questions for E20-526 were last updated on May 6, 2025.
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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?
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
When using the XtremIO PoC Toolkit, what is the purpose of the Age phase?
Proceed with filesystem aging by doing random overwrite cycles.
A customer is considering a six brick dispersed cluster using 340U racks. The customer wants advice on racking the InfiniBand switches.
Which recommendation should be provided?
Which actions are initiated when a snapshot is created on an XtremIO array?
When a copy is created, the volume's existing metadata becomes an 'ancestor' entity (parent object) that is shared between the production volume and the copy. New empty containers are created for subsequent changes to both the production volume and the virtual copy volume. Therefore, the act of creating a copy is instantaneous and involves no data or metadata copies.
References: https://www.emc.com/collateral/white-paper/h13035-wp-introduction-to-xtremio-snapshots.pdf, pages 18
Based on best practice, what is the maximum number of paths a host should have to an XtremIO volume?
The recommended maximum number of paths to storage ports per host is 16 as per the table below.
References:https://www.emc.com/collateral/white-papers/h14475-wp-xtremio-brocade-best-practices.pdf?isPublic=false, page 12
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