EMC D-PSC-DS-23 Actual Free Exam Questions & Community Discussion

How is data spread across multiple nodes as during a write on a PowerScale cluster?

Your customer is moving from a Restaurant/Bar business model to a Restaurant/Casino business model. You are helping architect the upgrade of a current 4-node X200 48 TB Isilon cluster, with 65% utilized for their video surveillance operations.
They wish to achieve the following:
Upgrade from 1280 x 720 resolution, with a 15 days retention policy, to 2048 x 1536 resolution with a 30 days retention policy.
What is the minimum number of nodes of the same type will you need to add in order to meet the required changes and not exceed 70% raw capacity?

A company requires a cluster for deep archiving of data. Storage density is most important and high performance access is not a requirement.
Which node is recommended for this application?

What accurately defines quorum in an Isilon cluster?

A large retail customer is using their PowerScale Gen6 cluster to store receipts. The resulting workflow data consists of only small files.
What configuration change is recommended for this environment to reduce CPU overhead?

A department within a company wants to migrate data to an existing PowerScale cluster. There is a requirement to keep the data separate from other departmental data for security reasons. All departments are part of the same Active Directory environment.
What is the recommended target for the migration?

Which data access pattern uses aggressive prefetching?

At a minimum, how many connected and available nodes are required to maintain quorum in a 25- node cluster?

A large retail customer is using their Isilon Gen 6 cluster to store receipts. The resulting workflow data consists of only small files.
What configuration change is recommended for this environment to reduce CPU overhead?