EMC E20-554 pass test : Isilon Design Specialist Exam for Technology Architects

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EMC E20-554 Exam Syllabus Topics:

EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. Your customer's initial use case was Home Directories. They implemented the cluster with four 1Gbps ports and LACP. They are planning to expand their cluster to support their core file services. They plan to upgrade their network infrastructure to 10 GbE to facilitate this.
What are two design impacts this change will have?

A) Dual 10GbE ports on each node will enable throughput of 20Gbps. Only connect half of the nodes to the network.
B) Maximum performance is obtained by only using a single 10GbE interface per node. Isilon can support up to 400MB/s per node
C) LACP and multiple links may be used to increase redundancy, but will not provide more overall
performance to the system.
FCoE should be considered for the External Network Ports on the nodes.
D) Maximum performance is obtained by only using a single 10GbE interface per node. LACP and multiple links may be used to increase redundancy, but will not provide more overall performance to the system

2. A hospital is considering using Isilon to store their long-term archive data for their PACS application. They currently have two million 17 MB studies. They expect capacity requirements to be 50% compounded growth per year. They plan to use N+2:1 protection, and would like this sized for three years of growth.Which minimum cluster configuration would meet this customer's environment?

A) Five X200 (3 TB drive) nodes
B) Four NL400 (2 TB drive) nodes
C) Five NL400 (1 TB drive) nodes
D) Three X400 (3 TB drive) nodes

3. You are working with a healthcare company that is interested in replacing all the backend storage for their PACS system.In general, how should the solution be presented to the customer?

A) Isilon A-Series nodes for image cache; Isilon NL-Series nodes for image archive
B) Isilon NL-Series nodes for image cache and image archive
C) VNX for image cache; Isilon NL-Series nodes for image archive
D) VNX for image cache and image archive

4. Refer to the exhibit.

Your customer has three different clusters. File systems on two of the clusters are at 90% full, and the largest cluster is 10% full. Active data resides on the largest cluster. The customer has five different node types totaling 2PB and 54 nodes. Nodes from left to right are as shown:
1. X200
2.12000X
3.36000X
4.NL108
5.108NL
They have a Smartpool license and believe that tiering data would help free up needed space.
After talking with the customer and explaining the use of SmartPools, how would you recommend optimizing utilization across all of the nodes that the customer owns?

A) Attach all nodes to a common Infiniband switch.
B) Go to GUI and put alike nodes in the same pools. Then name them.
C) Explain to the customer that this will result in data loss.
D) Borrow nodes to reconfigure the cluster and migrate the data to new cluster.

5. Your customer's site uses an old X-Series cluster, and they are interested in consolidating their two primary workflows. iostat shows that one of the applications is sensitive to latency, while isi statistics indicates sensitivity to disk response times. There are approximately 1000 users accessing 70 TB of file data.Which node type would you recommend?

A) S200
B) X400
C) NL400
D) X200

Solutions: