EMC E20-554

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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. 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 100 TB of RAW capacity. They want to consolidate their PACS, file shares and home directories onto one cluster and require very fast enumeration of the directories. The following are the notes from meetings with the department heads.Which is the best cluster configuration that meets the customer's requirements?

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

2. Refer to the exhibit.

Which tool was used to create this output and what is the most significant characteristic?

A) nfsstat and read-intensive access
B) isi_netlogger and moderate metadata read operations
C) iostat and write-intensive access
D) nfsstat and write-intensive access

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

4. Your customer is looking for a storage solution that will be able to store seven million 3 MB files which are written and seldom accessed. Read and write operations are both completed by a web-based application, which requires 1.3 Gbps throughput. The customer's network has not been upgraded in many years, so the network interfaces are 1 Gbps.
What would be the best solution for this network configuration?

A) Use jumbo frames to compensate for the 1GB Core network.
B) Use LACP to aggregate the network ports on each node.
C) Aggregate Infiniband (IB) ports across all nodes.
D) Bond EXT-0 across all nodes.

5. 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 S-Series nodes
D) Add SSDs

Solutions: