EMC Isilon Design Specialist Exam for Technology Architects - E20-554

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EMC E20-554 Exam Syllabus Topics:

EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. 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) 12 NL-Series nodes with N+2 protection policy providing 1300 TiB of useable capacity
D) 24 NL-Series nodes with N+3 protection policy providing 2597 TiB of useable capacity

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

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

3. An Isilon customer is reporting less than expected performance from the cluster and poor space utilization. The customer is using three X400 nodes with N+2:1 protection policy to host webserver log data. Upon further analysis, it is discovered that the webservers write log files 64 KiB in size. The log files are then accessed by an analytics application for reporting.
What should be done to increase write performance of the cluster?

A) Add S-Series storage nodes to the cluster.
B) Add SSDs to the X-Series nodes in the cluster.
C) Change the protection scheme to a mirroring policy.
D) Add A-Series performance accelerator nodes to the cluster.

4. -- 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 X400 nodes with 4 x NL 400 nodes
D) 4 x X200 nodes with 4 x NL 400 nodes

5. Which Isilon feature provides the ability to build a cluster using different node types and tiers to meet a customer's business objectives?

A) SnapshotIQ
B) SmartPools
C) SmartQuota
D) SmartConnect

Solutions: