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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

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

2. -- Exhibit -
We have been engaged by a research hospital to help upgrade their Isilon installation. They currently have 12 previous generation Isilon nodes with 200TB of capacity and run on a 1Gbps network. They currently have 6 Illumina Hi-Seq Sequencers and an HPC cluster to process data. They would like to expand Isilon to 2PB of active data and 1PB of archive data. They use a third party data and metadata management service (IRODs) to stage data for analysis. The Isilon cluster is mainly used for analysis work with the HPC cluster.
-- Exhibit -
The customer will add two more Illumina Hi-Seq Sequencers in the next 6 months.
Once these are added, what is the total amount of data from all the sequencers they can expect to add per month?

A) 14.4 TB
B) 9.6 TB
C) 1.2 TB
D) 4.8 TB

3. 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.

4. You set up a meeting to gather information on a new project with the IT manager and plan to use a workflow profile assessment (WPA) to document the requirements.
Why is it recommended to talk to as many stakeholders as possible?

A) Helps downstream personnel, such as implementation and delivery, to have a clearer understanding of the requirements.
B) Using the WPA tool will give you the best "big picture" to see things such as block size, de-dupe, file size and volumes.
C) Using workflow profile enables sales to take this information to EMC consulting for review to validate the configuration.
D) Completing this document gives sales a list of who the stakeholders are at customer site.

5. You have been working with a customer to size a new Isilon cluster for their environment. You recently determined that a cluster with three X400 nodes with 1TB drives and 48 GB RAM would be a perfect starting point for their workflow, but will have extra capacity. The customer just informed you that they have decided to also use the cluster for a small home directory environment and implement SmartQuotas.
Which configuration changes should you consider?

A) Add three S-Series nodes with 300GB drives with 48GB RAM, and use SmartPools
B) Add three NL-Series nodes with 1 TB drives with 48GB RAM, and use SmartPools.
C) Increase the memory and add SSDs to the configuration.
D) Add an additional X400-Series node to the configuration.

Solutions: