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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. 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) Review you assumptions and ask the customer what business issue you're solving.
D) Provide the CIO with the findings and gain commitment to a Proof of Concept.

2. You are sizing an Isilon cluster for a new customer. Analyzing their workflow you determine that they have a large block random read workload.What is the most important factor to consider when sizing this solution?

A) IOPS
B) Latency
C) Bandwidth
D) Headroom

3. A customer is inquiring about expanding their primary cluster consisting of six S-Series nodes in order to improve performance. They have a second cluster with 11 X-Series nodes. Both clusters leverage 1GbE, but the customer recently installed a 10GbE network that can be utilized. They also have multiple Fibre Channel SAN arrays in their environment.
They have a variety of workloads on each cluster and are in the process of determining which workloads belong on which cluster. They have discovered that one of the workloads- a SQL database that resides on the X-Series node cluster - is experiencing timeouts due to latency. The database vendor has suggested limiting latency to 5ms or less to eliminate these timeouts.
How do you advise the customer?

A) Merge the S-Series nodes and X-Series nodes into one cluster, upgrade the 1GbE to 10GbE, and leverage SmartPools to allow for the cluster to determine where data should reside.
B) Suggest the customer consider leveraging SSDs in the new nodes they purchase and GNA to boost the performance of each cluster.
C) Consider migrating data from Isilon to one of their SAN platforms or proposing a new solution to handle the performance requirements of SQL.
D) Recommend they increase the amount of DRAM in the cluster or consider an Accelerator node in order to increase the amount of cache in their cluster.

4. Refer to the exhibit.

A large hospital chain has approached you to redesign their storage infrastructure. The head of IT believes their requirement is for 60 TB of RAW capacity. The following are the notes from meetings with the department heads.
Which is the minimum cluster configuration that meets the customer's requirements?

A) 4 X-Series nodes using SynqIQ to 4 NL-Series nodes
B) 3 S-Series nodes using SmartPools and 3 NL-Series nodes for Archive
C) 3 NL-Series nodes using SynqIQ to 3 NL-Series nodes
D) 5 S-Series nodes

5. Refer to the exhibit.

You want to add redundancy to your network configuration, rather than performance. You have configured all interfaces into the default SmartConnect zone.
How should you configure the switches and Isilon networking to provide your desired network redundancy?

A) Configure the switch ports for LACP and use FEC aggregation for subnet0:pool0.
B) Configure the switch ports for LACP and use LACP aggregation for subnet0:pool0.
C) Configure the switch ports as access points, bond ext-0 and ext-1 on all nodes and use Active/Passive aggregation for subnet0:pool0.
D) Configure the switch ports as access points and use LACP aggregation for subnet0:pool0.

Solutions: