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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. 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+2
D) N+3:1

2. A four-node Isilon cluster is being used in a Hadoop workflow with a parity protection of N+2:1. The HDFS protocol has been enabled and is being used to access data.
According to EMC best practices, how many additional many additional copies of data are written into the Isilon cluster using HDFS?

A) Three
B) One
C) Two
D) None

3. 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) 50TB
B) 80TB
C) 140TB
D) 110TB

4. 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 60 TB of RAW capacity. The following are the notes from meetings with the department heads.
Which is the minimum cluster configuration that meets the customer's requirements?

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

5. 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) Pixel count Video CODEC Color sampling Frames per second (fps) Number of devices Retention time
B) Video resolution Video CODEC 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) Bit rate per camera Camera manufacturer Video management system Retention time

Solutions: