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EMC E20-554 Exam Syllabus Topics:

EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. -- Exhibit -
A European Sports TV network is considering Isilon for their Media Edit Storage for their editing workloads. They are also considering Isilon for near-line media archiving.
The network receives XDCAM HD footage which is loaded onto their existing Transcoding Storage platform. New footage that needs to be edited will be transferred from their Transcoding Storage platform to the proposed Media Edit Storage platform at the rate of ten simultaneous XDCAM HD files via FTP. Edited files will be transferred back to the Transcoding Storage platform at the rate of ten simultaneous XDCAM HD files via FTP.
The network currently has 15 Final Cut Pro edit stations, 15 Avid edit stations. Proxy software will be used to allow Isilon to act as the storage for the Final Cut Pro and Avid media. Three of those edit stations will be performing content compositing as needed.
The network expects 70 hours of new content per week, and 50 hours of edited content per week. They intend to keep the new and edited content on the proposed Media Edit Storage as a performance tier for 30 days. They would like to retain all new and edited footage proposed Media Edit Storage as a near-line tier for two years.
In addition to the current workloads, the network expects to implement a new Media Asset Management (MAM) solution and has requested the Isilon cluster be capable of supporting 120 MBps read and 120 MBps write to support the MAM requirements.
-- Exhibit -
Refer to the exhibit.

Based on the described use of the cluster, which node combination is the appropriate choice for the customer's requirements?

A) 4 x S200 nodes with 5 x NL 400 nodes
B) 4 x S200 nodes with 4 x NL 400 nodes
C) 4 x X200 nodes with 4 x NL 400 nodes
D) 4 x X400 nodes with 4 x NL 400 nodes

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

3. -- Exhibit -
We have been engaged by a research hospital to help upgrade their Isilon installation. They currently have 12 previous generation Isilon nodes with 200TB of capacity and run on a 1Gbps network. They currently have 6 Illumina Hi-Seq Sequencers and an HPC cluster to process data. They would like to expand Isilon to 2PB of active data and 1PB of archive data. They use a third party data and metadata management service (IRODs) to stage data for analysis. The Isilon cluster is mainly used for analysis work with the HPC cluster.
-- Exhibit -
Before making any changes, the customer would like a graphical presentation of their existing array performance to present to management.What is the best tool to gather this information?

A) netstat
B) isi_netlogger
C) InsightIQ
D) tcpdump

4. A cost-conscious customer is exploring Isilon for their PACS archive. The workflow consists of one hundred cases a day, each including fifty 60MB image files. However, each image will have five-hundred 64kB metadata files associated with it. They currently have six years worth of archived data. They will need to migrate to the new solution and they need to plan for an additional three years of archive capacity.
Which solution would you recommend to fit their capacity needs?

A) 18 NL-Series nodes with N+2:1 protection policy providing 2078 TiB of useable capacity
B) 24 X-Series nodes with N+3 protection policy providing 2597 TiB of useable capacity
C) 24 NL-Series nodes with N+3 protection policy providing 2597 TiB of useable capacity
D) 12 NL-Series nodes with N+2 protection policy providing 1300 TiB of useable capacity

5. You are asked to size a cluster for a file sharing environment. nfsstat indicates that no more than 10% of the requests are namespace operations (e.g. GETADDR, SETADDR). There will be 10,000 active Linux users, connecting over NFS.
Which cluster configuration would you recommend?

A) Five X400 (120 TB) 96 GB RAM, 2.4 TB SSD, N+2
B) Ten X400 (60 TB) 48 GB RAM, 2.4 TB SSD, N+2:1
C) Eight X200 (36 TB) 24 GB RAM, no SSD, N+2:1
D) Ten X200 (27 TB) 48 GB RAM, 600 GB SSD, N+2:1

Solutions: