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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. A healthcare services provider is implementing an X-Series cluster. Currently they have approximately 200 customers and they are growing at 30% per year. They have 200 TB of storage utilized. Health Insurance Portability and Accountability Act (HIPAA) regulations require they keep all patient data for seven (7) years. They would like to keep all genomic sequencing data stored with N+3 protection, not to exceed 75% utilization.
What is the minimum initial configuration you would recommend?

A) 13 X200 nodes; 3 TB drives
B) 13 X400 nodes; 1 TB drives
C) 6 X400 nodes; 4 TB drives
D) 7 X400 nodes; 1 TB drives

2. You are working with a healthcare company that is interested in replacing all the backend storage for their PACS system.In general, how should the solution be presented to the customer?

A) Isilon NL-Series nodes for image cache and image archive
B) VNX for image cache and image archive
C) Isilon A-Series nodes for image cache; Isilon NL-Series nodes for image archive
D) VNX for image cache; Isilon NL-Series nodes for image archive

3. What key considerations should be kept in mind when designing a 300TB solution?

A) Always include 2% SSD SmartPools Smartconnect Snapshots InsightIQ
B) Defining class of service Time of day services ROI and TCO Data retention and backup
C) SmartPools Smartconnect Snapshots Space for snapshots
D) Workflow management Defining class of service Time of day services RPO and RTO Data retention and backup

4. 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 50% utilized for their video surveillance operations.
They want to upgrade from 15 FPS (NTSC) in H.264 codec, with a 15 days retention policy to 30 FPS (NTSC) in H.264 codec with a 30 days retention policy.
Which storage capacity would be the best suited to meet the required changes and utilize 65-75% capacity?

A) 140TB
B) 80TB
C) 50TB
D) 110TB

5. A customer has grown 2 PB in the last year. The cluster performs well most times of the day, but occasionally during the day, the customer notices a decrease in performance. You have been told that 'tree-deletes' are taking too long and can only be run on weekends.
What would you recommend to speed up the 'tree-deletes'?

A) Add 20% more nodes to the cluster to help with degraded performance.
B) Use an A100 node for added CPU performance to help with 'tree-deletes.'
C) Add an SSD node tier for metadata to account for at least 2% of RAW capacity
D) Add an SSD tier for metadata, ensuring all nodes have SSDs.

Solutions: