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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. A customer has grown 2 PB in the last year. The cluster performs well most times of the day, but occasionally during the day, the customer notices a decrease in performance. You have been told that 'tree-deletes' are taking too long and can only be run on weekends.
What would you recommend to speed up the 'tree-deletes'?

A) Add an SSD tier for metadata, ensuring all nodes have SSDs.
B) Use an A100 node for added CPU performance to help with 'tree-deletes.'
C) Add an SSD node tier for metadata to account for at least 2% of RAW capacity
D) Add 20% more nodes to the cluster to help with degraded performance.

2. A company wants to reduce the footprint in their data center. They recently completed a proof of concept with Hadoop using Direct Attached Storage (DAS) for their Big Data initiative. You have determined that incorporating an Isilon cluster into their Hadoop environment would help in reducing this footprint.Which Hadoop components can be consolidated onto the Isilon cluster to reduce the footprint?

A) DataNode and NameNode
B) NameNode and TaskTracker
C) ComputeNode and NameNode
D) DataNode and ComputeNode

3. A healthcare services provider is implementing an X-Series cluster. Currently they have approximately 200 customers and they are growing at 30% per year. They have 200 TB of storage utilized. Health Insurance Portability and Accountability Act (HIPAA) regulations require they keep all patient data for seven (7) years. They would like to keep all genomic sequencing data stored with N+3 protection, not to exceed 75% utilization.
What is the minimum initial configuration you would recommend?

A) 6 X400 nodes; 4 TB drives
B) 13 X200 nodes; 3 TB drives
C) 7 X400 nodes; 1 TB drives
D) 13 X400 nodes; 1 TB drives

4. 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 LACP aggregation for subnet0:pool0.
B) Configure the switch ports for LACP and use FEC 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.

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 the WPA tool will give you the best "big picture" to see things such as block size, de-dupe, file size and volumes.
B) Using workflow profile enables sales to take this information to EMC consulting for review to validate the configuration.
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: