EMC Isilon Solutions and Design Specialist Exam for Technology Architects - E20-555 Free Exam Questions

QUESTION NO: 1
What is a Shadow Store used for in Isilon OneFS?

Correct Answer: D Vote an answer
QUESTION NO: 2
Your customer has observed a degradation in response time while browsing for media files within the Production Media folder of the Isilon cluster. That directory now contains over five million files. It was confirmed that there are no network or edit station related causes.
What changes to the Isilon cluster will best accelerate the browsing performance?

Correct Answer: A Vote an answer
QUESTION NO: 3
Which type(s) of data is predominately associated with home directories and file shares?

Correct Answer: D Vote an answer
QUESTION NO: 4
An Isilon customer wants to have different snapshot policies and schedules on the same directory. Why is this possible on an Isilon cluster?

Correct Answer: D Vote an answer
QUESTION NO: 5
During a write process in OneFS 8.0, from which cache are blocks copied to disk?

Correct Answer: D Vote an answer
QUESTION NO: 6
Which Isilon feature increases available space by consolidating copies of identical blocks of data?

Correct Answer: C Vote an answer
QUESTION NO: 7
Your customer has an existing Isilon cluster with seven X200 nodes. The cluster is used to store home directories and departmental shared folders. They are planning to deploy a new application that generates small block, synchronous writes.
Which OneFS 7 capability can help reduce latency for the new workload?

Correct Answer: C Vote an answer
QUESTION NO: 8
If an Isilon customer has an environment that requires usage data for chargeback, for analyzing usage trends and for capacity planning, which type of quota enforcing option should be used?

Correct Answer: A Vote an answer
QUESTION NO: 9
How are files smaller than 128 KB protected?

Correct Answer: C Vote an answer
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QUESTION NO: 10
Refer to the exhibit.

You are analyzing a customer's existing Isilon environment using isi statistics in order to expand the cluster. When examining the protocol subcommand, you see the output as shown in the exhibit.
What does the data tell you about the workload?

Correct Answer: D Vote an answer
QUESTION NO: 11
You are setting up SmartPools on the cluster. Which Microsoft Windows system tool will illustrate the difference in performance experienced by clients connecting to different tiers of storage?

Correct Answer: B Vote an answer
QUESTION NO: 12
Match each performance tool with its use case.
Correct Answer:
QUESTION NO: 13
An Isilon storage administrator is concerned about capacity after ingesting 200 TB of file dat a. They recently added more nodes to the cluster and now want to auto-balance it as soon as possible.
The cluster utilization percentages for an average 24-hour period are:
* 45% during 00:00 - 08:59
* 60% during 09:00 - 17:00
* 85% during 17:01 - 23:59
The administrator wants to keep cluster utilization at a minimum. Which Impact Policy settings should be used to quickly complete the job without impacting the production workload?

Correct Answer: D Vote an answer
QUESTION NO: 14
-- Exhibit --
We have been engaged by a research hospital to help upgrade their Isilon installation. They currently have 12 previous generation Isilon nodes with 200TB of capacity and run on a 1Gbps network. They currently have 6 Illumina Hi-Seq Sequencers and an HPC cluster to process dat a. They would like to expand Isilon to 2PB of active data and 1PB of archive data. They use a third party data and metadata management service (IRODs) to stage data for analysis. The Isilon cluster is mainly used for analysis work with the HPC cluster.
-- Exhibit --
The customer has a limited budget. What would be the best price/performance solution for their active data?

Correct Answer: B Vote an answer
QUESTION NO: 15
Three jobs are running, all with a priority of 5. A new job with a priority of 6 needs to be run. What happens?

Correct Answer: C Vote an answer

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