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Ace the EMC E20-555 Exam: Ultimate Preparation Guide

Questions 11

What does Isilon OneFS use to re-write data when a disk read fails?

Options:

A.

Dynamic Sector Repair

B.

NVRAM

C.

Isilon Data Integrity

D.

CRC

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Questions 12

A customer is running OneFS 8.0 on an Isilon cluster consisting exclusively of NL400 nodes. The storage administrator recently heard that OneFS 8.1 provides journal vaulting. What should you advise the storage administrator?

Options:

A.

Replace the batteries of the battery backed volatile storage with NiMH batteries.

B.

Add SSDs to all nodes of the existing cluster and upgrade to OneFS 8.1.

C.

Migrate all data from the current Isilon cluster to a Gen 6 cluster.

D.

Add a Gen 6 node to the existing Isilon cluster and upgrade to OneFS 8.1.

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Questions 13

-- 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 –

E20-555 Question 13

The customer wants to be able to put completed content into a non-editable folder. However, they want to give access to an administrator to delete content if required. What do you recommend to the customer?

Options:

A.

SmartLock using Enterprise mode

B.

SmartLock using Compliance mode

C.

WORM using Compliance mode

D.

SyncIQ with read-only mode

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Questions 14

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.

Considering the customer's requirements, which is the best node type for the Isilon cluster?

Options:

A.

NL400 with 48GB RAM and no SSDs per node

B.

X400 with 96GB of RAM and no SSDs per node

C.

X400 with 24GB RAM and 1.6TB of SSD per node

D.

X200 with 24GB of RAM and 1.2TB of SSD per node

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Questions 15

A healthcare services provider is implementing an X-Series cluster. Currently they have approximately 200 customers and they are growing at 30% per year. They have 200 TB of storage utilized. Health Insurance Portability and Accountability Act (HIPAA) regulations require they keep all patient data for seven (7) years. They would like to keep all genomic sequencing data stored with N+3 protection, not to exceed 75% utilization.

What is the minimum initial configuration you would recommend?

Options:

A.

13 X400 nodes; 1 TB drives

B.

6 X400 nodes; 4 TB drives

C.

13 X200 nodes; 3 TB drives

D.

7 X400 nodes; 1 TB drives

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Questions 16

-- 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.

E20-555 Question 16

Based on the described use of the cluster, which node combination is the appropriate choice for the customer’s requirements?

Options:

A.

4 x X400 nodes with 4 x NL 400 nodes

B.

4 x S200 nodes with 4 x NL 400 nodes

C.

4 x X200 nodes with 4 x NL 400 nodes

D.

4 x S200 nodes with 5 x NL 400 nodes

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Questions 17

A customer plans to consolidate 200 TB of digital images and video content. Performance is important for recently created files. However, the customer wants any content that has not been accessed within 30 days to be stored in the cluster at a much lower cost because performance is no longer critical.Which Isilon configuration should be recommended?

Options:

A.

X-Series nodes, NL-Series nodes, and SmartPools

B.

X-Series nodes and SmartQuotas

C.

S-Series nodes, X-Series nodes, and SmartPools

D.

NL-Series nodes and SmartLock

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Questions 18

A customer plans to deploy N+2d:1n protection on a 5-node Isilon cluster. How much capacity will be used to store a 320 KiB file?

Options:

A.

512 KiB

B.

448 KiB

C.

576 KiB

D.

640 KiB

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Questions 19

An architect is designing a new cluster. The cluster contains H500 nodes to store home directories of 2000

users and A200 nodes to store backups of VMware virtual machines.

Which data access patterns should be used?

Options:

A.

Streaming for the H500 nodes

Random for the A200 nodes

B.

Streaming for the H500 nodes

Concurrency for the A200 nodes

C.

Concurrency for the H500 nodes

Streaming for the A200 nodes

D.

Random for the H500 nodes

Streaming for the A200 nodes

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Questions 20

A customer wants an N+3 protection level on their cluster. What is the minimum number of nodes they need to achieve that level of protection?

Options:

A.

3

B.

6

C.

7

D.

8

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Exam Code: E20-555
Exam Name: Isilon Solutions and Design Specialist Exam for Technology Architects
Last Update: Jun 16, 2024
Questions: 344

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