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E20-555 Exam Dumps - EMC Certification Questions and Answers

Question # 24

A four node F800 Isilon cluster running OneFS 8.2.1 has a dedicated subnet and IP pool for SMB data traffic.

SmartConnect Advanced license is applied. The SMB IP pool consists of LACP aggregated. 10GigE interfaces from all the nodes.

What is the maximum number of SmartConnect Service IPs recommended for the SMB subnet?

Options:

A.

1

B.

2

C.

4

D.

6

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Question # 25

Which type(s) of data is predominately associated with home directories and file shares?

Options:

A.

E-mail files, PPT, Word documents

B.

Oracle directories

C.

SQL database files

D.

XML data

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Question # 26

A customer is considering moving their NAS data over to Isilon systems. They want to know what limitations Isilon has regarding snapshot on the directory level.

What explanation can be provided to the customer?

Options:

A.

Limit of 2048 snapshots per directory

B.

No limits on the number of snapshots per directory

C.

Limit of 2048 snapshots per cluster but not on the directory level

D.

Hard limit of 1024 snapshots per directory

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Question # 27

Which type of link aggregation is supported with Isilon nodes?

Options:

A.

Aggregation of up to eight similar ports in the same cluster

B.

Aggregation across Ethernet ports in a node

C.

Aggregation of 10 GbE and 40 GbE ports

D.

Aggregation across two or four nodes

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Question # 28

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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Question # 29

A customer is making a decision between Isilon and a competitor’s offering. They currently have 100TB of usable capacity and are forecasting 100% growth per year for the next three years, which will require them to lease additional space in their co-located data center. The CFO finds ROI and TCO to be important decision criteria.

Which statement best emphasizes the value of Isilon for this customer?

Options:

A.

Isilon's OneFS data protection policies offer substantially lower overhead than competitive RAID based NAS solutions.

B.

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

C.

The competition cannot offer a scale-out NAS so as capacity is added to the array, performance may degrade.

D.

Isilon's OneFS allows administrators to manage much larger amounts of capacity than competitive offerings.

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Question # 30

A telecommunications company has a substantial amount of data. This data is being created by network elements within their environment.

The company wants to change the way the network elements Call Detail Records (CDR) are stored and analyzed. The existing infrastructure consolidates all of the CDRs into a table structure, and then ingests them into a large database. Once ingested, a query engine accesses the database and performs analysis on these files. The system is functional; however, since the amount of CDRs generated will increase exponentially over the next year, the company is open to alternatives for storing and analyzing these records.

In evaluating alternatives, the key requirements are to reduce cost, the amount of storage, and the amount of time to analyze the data. The customer would like to use Hadoop to analyze the CDRs.

After you have conducted an assessment of the workflow, you have recommended an Isilon Cluster to work within the Hadoop environment.

Which protocols would be the best fit when using Isilon for this customer's Hadoop workflow?

Options:

A.

NDMP and SCP

B.

NFS and HDFS

C.

CIFS and FTP

D.

SyncIQ and HTTP

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Question # 31

A 6 × F800 node Isilon cluster has one subnet with two IP pools with LACP aggregated 10GigE interfaces from

all the nodes in the ‘Data-Zone’ Access Zone. The ‘NFS-Pool’ with dynamic IP Allocation schema and ‘SMBPool’

with static IP Allocation schema are being used.

All the Linux clients are accessing Isilon exports using NFSv3 via the ‘NFS_Pool’. All the Windows clients are

accessing Isilon shares using SMBv3 via the ‘SMB_Pool’.

While deploying Isilon, the customer reserves the whole network subnet for Isilon. The customer is facing

performance issues with a new workload that is accessing the Isilon via Kerberized NFSv4.

What is recommended when creating a new IP pool for NFSv4 clients?

Options:

A.

Dynamic IP Allocation in the ‘System’ access zone

B.

Dynamic IP Allocation in the ‘Data-Zone’ access zone

C.

Static IP Allocation in the ‘System’ access zone

D.

Static IP Allocation in the ‘Data-Zone’ access zone

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Question # 32

Match each performance tool with its use case.

Options:

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Question # 33

What is the overhead impact on the physical capacity when configuring data protection at +2:1 on a 6-node Isilon cluster?

Options:

A.

1/2

B.

1/4

C.

1/5

D.

1/6

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Exam Code: E20-555
Exam Name: Isilon Solutions and Design Specialist Exam for Technology Architects
Last Update: Feb 23, 2025
Questions: 344
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