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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. You have 1000 users for an application that reads and writes files averaging between one and four MB in size. Each user requires 24 MB of RAM. You want to add another 1000 users for this application, and in preparation for them, you run the isi statistics command. You discover that the average CPU utilization is 20%; aggregate throughput averages 700 MB/s and the disk QueueD average is 1.5. Your cluster currently has five X200 (12 GB RAM, 1 TB drive) nodes, uses N+2:1 protection and 1 GigE networking.
What should you do to accommodate the next 1000 users?

A) Upgrade two of the 1 GigE NICs to 10 GigE on each node.
B) Upgrade each X200 node to a total of 24 GB of RAM.
C) Add five A100 (24 GB RAM) accelerator nodes.
D) Add five additional X200 (12 GB, 1 TB drive) nodes

2. Your customer has several departments that want separate access to the cluster so they can use their individual authentication methods. Two of the departments will use NFS and two will use SMB to access the cluster.What would you recommend?

A) Create separate Access Zones for both the SMB and NFS clients.
B) Have all clients access the System Zone, and use RBAC to control authentication.
C) Create two separate Access Zones for the SMB clients, and use the System Zone for the NFS clients.
D) Create two separate Access Zones for the NFS clients, and use the System Zone for the SMB clients.

3. Refer to the exhibit.

A customer calls you and asks if you could come by and interpret their InsightIQ data. You see that namespace reads are 63% of the work load.
What would you recommend to help this cluster's namespace performance?

A) Add A-Series nodes
B) Turn off write cache
C) Add SSDs
D) Add S-Series nodes

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

5. 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) Using workflow profile enables sales to take this information to EMC consulting for review to validate the configuration.
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) Completing this document gives sales a list of who the stakeholders are at customer site.
D) Helps downstream personnel, such as implementation and delivery, to have a clearer understanding of the requirements.

Solutions: