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EMC E20-554 Exam Syllabus Topics:

EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. -- 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 -
The customer will add two more Illumina Hi-Seq Sequencers in the next 6 months.
Once these are added, what is the total amount of data from all the sequencers they can expect to add per month?

A) 14.4 TB
B) 4.8 TB
C) 9.6 TB
D) 1.2 TB

2. Your customer uses an existing Isilon cluster consisting of five NL-Series nodes to source broadcast media files for playback and streaming. The customer reports that the playback pauses and stutters regularly. It has been confirmed that there are no network or playback system issues.
Which is the appropriate choice to resolve the playback issues?

A) Upgrade OneFS to the latest version
B) Enable Level 2 caching
C) Add three or more S-Series nodes
D) Enable SmartConnect Advanced

3. You meet with the IT Director of a large single site campus. The IT department has recently taken over Physical Security from the facilities department and plans a complete overhaul of the surveillance solution. They are looking to you as a storage architecture expert to provide the correct amount of storage needed. The IT Director asks you what items they need to provide in order to size this solution.What data do you require from the customer?

A) Bit rate per camera Camera manufacturer Video management system Retention time
B) Pixel count Video CODEC Color sampling Frames per second (fps) Number of devices Retention time
C) Pixel count Video CODEC Color sampling Frames per second (fps) Number of devices Video management system Evidence collection period
D) Video resolution Video CODEC Frames per second (fps) Number of devices Retention time

4. Your customer is moving from a Restaurant/Bar business model to a Restaurant/Casino business model. You are helping architect the upgrade of a current 4-node X200 48 TB Isilon cluster, with 50% utilized for their video surveillance operations.
They want to upgrade from 15 FPS (NTSC) in H.264 codec, with a 15 days retention policy to 30 FPS (NTSC) in H.264 codec with a 30 days retention policy.
Which storage capacity would be the best suited to meet the required changes and utilize 65-75% capacity?

A) 140TB
B) 80TB
C) 50TB
D) 110TB

5. Which IsilonOneFS protection level allows you to withstand two drive failures but no more than one complete node failure?

A) N+2:1
B) N+1
C) N+3:1
D) N+2

Solutions: