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Ace Your E20-555 EMC Certification Exam

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Total 344 questions

Isilon Solutions and Design Specialist Exam for Technology Architects Questions and Answers

Question 21

A potential customer requires 800 TB of usable capacity to store medical images for their network of health clinics. The IT department has limited staff and currently manages four storage arrays from other vendors. During a meeting with the Director of IT you learn that the company is considering a solution from a competitor of EMC using two of the existing arrays and two new arrays.

Which Isilon capabilities would show a better ROI for the customer?

Options:

A.

Isilon has 6%-12% less filesystem overhead than traditional clustered filesystem solutions.With a single filesystem and virtual capacity for drive and node failures, Isilon utilization is typically 80% or higher.Isilon utilization is typically 80% or higher due to use of a single filesystem and virtual capacity for drive and node failures.

B.

With a single filesystem and virtual capacity for drive and node failures, Isilon utilization is typically 80% or higher.OneFS compression results in higher effective capacity within the cluster.Traditional clustered filesystems require 4%-10% internal overhead compared to Isilon virtual capacity.

C.

Forward Error Correction overhead is 7% lower than traditional RAID.Isilon has 6%-12% less filesystem overhead than traditional clustered filesystem solutions.According to an IDC study, Isilon improves IT productivity by nearly 50% compared to traditional competitors.

D.

Isilon has 15%-20% less overhead than traditional clustered filesystems.According to an IDC study, Isilon utilization is nearly 50% higher than traditional competitors.Isilon QOS headroom and multiple node pools ensures consistent performance up to 80% utilization.

Question 22

How are files smaller than 128 KB protected?

Options:

A.

3x mirrored

B.

N+3d:1n

C.

N+2d:1n

D.

2x mirrored

Question 23

On an 18-node Isilon cluster with the default protection setting, what is the actual layout of a 128 KB file?

Options:

A.

2x

B.

N+2n

C.

3x

D.

N+2d:1n

Question 24

Which operational consideration is used in the Isilon Sizing Tool to determine the recommended data

protection?

Options:

A.

MTTR

B.

MTTRC

C.

MTTDL

D.

MTBF

Page: 6 / 13
Total 344 questions