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Ace the EMC E20-555 Exam: Ultimate Preparation Guide

Questions 21

You set up a meeting to gather information on a new project with the IT manager and plan to use a workflow profile assessment (WPA) to document the requirements.

Why is it recommended to talk to as many stakeholders as possible?

Options:

A.

Helps downstream personnel, such as implementation and delivery, to have a clearer understanding of the requirements.

B.

Completing this document gives sales a list of who the stakeholders are at customer site.

C.

Using workflow profile enables sales to take this information to EMC consulting for review to validate the configuration.

D.

Using the WPA tool will give you the best "big picture" to see things such as block size, de-dupe, file size and volumes.

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Questions 22

A NetApp customer is considering Isilon. They use their filers for UNIX home directories, and would like to see a suggested configuration that would meet their needs.

What would you do to help size this cluster?

Options:

A.

Ask for an autosupport file and upload it to MiTrends to generate a workflow profile

B.

Ask them to install InsightIQ and collect data from the filer, then import to SQL for analysis

C.

Ask for the output from nfsstat and upload it to MiTrends to generate a workflow profile

D.

Use tcpdump and upload the output file to MiTrends to generate a protocol analysis

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Questions 23

In Isilon OneFS, what is the snapshot limit of a directory?

Options:

A.

512

B.

1024

C.

2048

D.

No limit

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Questions 24

An Isilon customer wants a job to periodically validates the checksum of every block in the file system. What should be recommended to the customer?

Options:

A.

IntegrityScan

B.

MediaScan

C.

Dynamic Sector Repair

D.

Isilon Data Integrity

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Questions 25

Which Isilon tool can be run from the cluster to display Isilon statistics such as CPU activity?

Options:

A.

iperf

B.

iostat

C.

InsightIQ

D.

MiTrend

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Questions 26

Which service daemon do FTP and FTPS use to transfer files to and from the cluster?

Options:

A.

ftpsd

B.

vsftpd

C.

sftpd

D.

ftpd

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Questions 27

A potential customer requires 800TB 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 planning to deploy a scale-out NAS solution from a competitor of EMC.

Which factors can demonstrate a lower TCO using Isilon?

Options:

A.

An IDC study found that Isilon requires 30% less downtime per year compared to other solutions

B.

Isilon linear scalability eliminates over buying and over provisioning

C.

An IDC study found that Isilon requires 95% less downtime per year compared to other solutions

D.

Isilon uses lower speed NL-SAS drives which reduces overall power and cooling requirements

E.

An IDC study found that Isilon requires 95% less downtime hours per year compared to other competitors

F.

Isilon linear scalability eliminates over buying and over provisioning

G.

An IDC study found that Isilon requires 95% less downtime hours per year compared to other competitors

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Questions 28

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?

Options:

A.

Ten X200 (27 TB) 48 GB RAM, 600 GB SSD, N+2:1

B.

Five X400 (120 TB) 96 GB RAM, 2.4 TB SSD, N+2

C.

Ten X400 (60 TB) 48 GB RAM, 2.4 TB SSD, N+2:1

D.

Eight X200 (36 TB) 24 GB RAM, no SSD, N+2:1

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Questions 29

How is the journal protected in Gen 6 hardware?

Options:

A.

Identical copy is maintained on all nodes of the cluster

B.

Identical copy is maintained on both nodes of each node pair

C.

Each node has a mirrored M.2 vault

D.

Each node has a mirrored write cache

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Questions 30

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 of the choices listed is the appropriate choice to address the playback issues?

Options:

A.

Add three or more S-Series Nodes

B.

Upgrade OneFS to the latest version

C.

Enable SmartConnect Advanced

D.

Enable Level 2 Caching

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Exam Code: E20-555
Exam Name: Isilon Solutions and Design Specialist Exam for Technology Architects
Last Update: Jun 24, 2024
Questions: 344

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