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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. -- 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 -
Currently, the workflows are being limited by the network access to the Isilon cluster.
What would result in the fastest possible network throughput?

A) Use LACP to aggregate the network connections.
B) Add four A-Series accelerator nodes.
C) Move analysis infrastructure to dedicated 10G network.
D) Implement jumbo frames.

2. While validating the value (VTV) with a large educational customer, they have decided they would like to add a Disaster Recovery (DR) site to their existing Isilon environment. The existing cluster contains six X-Series nodes. They plan to have all workflows replicated to the DR site and both clusters will have identical shares, exports, and user authentication. The customer would like to test DR failover every six months by running their production environment from the DR site.
What would you recommend for the DR solution?

A) SmartConnect and NL-Series nodes at the primary site
B) SyncIQ and NL-Series nodes at the DR site
C) SyncIQ and identical cluster at the DR site
D) Equal number of S-Series nodes at the primary site

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

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

4. When conducting high-level interviews with stakeholders of a project, what are the key questions that should be asked?

A) Which backup application is in use today?
What is your change rate?
How many clients will connect to the cluster?
B) What does your network architecture look like?
Do you have existing NAS infrastructure?
Do you have 10Gb or 1Gb ethernet?
Which applications will access this storage?
C) Who are the application owners?
How much usable storage is needed?
What applications will be accessing the storage?
How many users are in your Active Directory?
D) How much usable storage are you looking for? What client OS will access this storage? Which applications will access this storage?

5. You are reviewing an opportunity with a trusted advisor. You both discover gaps in the initial solution design.
Each iterative discussion with the customer helps you define the solution better. The documents produced capture the customer's requirements.
What else needs to occur to refine the sizing considerations?

A) Validate the Workflow Profile Assessment and test the solution against your findings.
B) Complete your Solution Design Document and forward to EMC consulting.
C) Provide the CIO with the findings and gain commitment to a Proof of Concept.
D) Review you assumptions and ask the customer what business issue you're solving.

Solutions: