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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. You have gathered information from your customer about their current NAS environment. They indicated they are having performance and time-out issues with their clients accessing the storage. Currently over 5000 clients are simultaneously accessing the NAS; however, this will double in the next year.
Based on this information, what recommendations for a new Isilon cluster would you give to the customer based on this information?

A) Create a six node X400 cluster today. As additional clients are added, add additional X400 nodes for them.
B) Create a five node X400 cluster today. As more clients are added, add a Performance Accelerator node for every 1000 clients.
C) Create a seven node X400 cluster today. You will not need to purchase additional nodes as more clients are added.
D) Create a three node cluster today. As more clients are added, add three additional nodes each time for 1000 clients.

2. An Isilon customer is reporting less than expected performance from the cluster and poor space utilization. The customer is using three X400 nodes with N+2:1 protection policy to host webserver log data. Upon further analysis, it is discovered that the webservers write log files 64 KiB in size. The log files are then accessed by an analytics application for reporting.
What should be done to increase write performance of the cluster?

A) Add SSDs to the X-Series nodes in the cluster.
B) Change the protection scheme to a mirroring policy.
C) Add S-Series storage nodes to the cluster.
D) Add A-Series performance accelerator nodes to the cluster.

3. A hospital is considering using Isilon to store their archived medical images and genomic sequencing data. They currently have 56 TB of PACS images and 24 TB of genomic data, and expect to double their capacity requirements this year. They will replicate to a DR cluster, and plan to use N+2 protection. The production workload needs to be run at either site.
Which minimum cluster configuration, at each site, including software, would meet this customer's environment?

A) Five X400 (2 TB drives) nodes with SyncIQ.
B) Four NL400 (3 TB drives) nodes with SyncIQ.
C) Five X400 (2 TB drives) nodes with SnapshotIQ.
D) Seven X200 (3 TB drives) nodes with SyncIQ and SnapshotIQ

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

5. Your customer uses an existing Isilon cluster consisting of five NL-Series nodes to source broadcast media files for playback and streaming. The customer reports that the playback pauses and stutters regularly. It has been confirmed that there are no network or playback system issues.
Which is the appropriate choice to resolve the playback issues?

A) Upgrade OneFS to the latest version
B) Enable SmartConnect Advanced
C) Enable Level 2 caching
D) Add three or more S-Series nodes

Solutions: