E20-555 EMC Exam Questions and Free Practice Test

Question 61

-- 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 data. 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 -
Before making any changes, the customer would like a graphical presentation of their existing array performance to present to management.
What is the best tool to gather this information?

A. InsightIQ

B. isi_netlogger

C. tcpdump

D. netstat

Correct Answer:A

Question 62

You have been invited to meet with the Social Media and Marketing Department and gather requirements for a potential File System Project. They primarily use CIFS and are considering deploying a Hadoop cluster to analyze customer demographic data. The Senior Systems Engineer thinks they will need 2PB of usable capacity.
What would you do to gain an understanding of the customer’s environment to qualify and develop the opportunity?

A. Create a cluster configuration specifying HDFS, NFS, and CIFS protocols; select 19 x X400 nodes with 144TB per node, and Enhanced Support

B. Request the Windows Systems Administration Team run a PerfMon analysis on the Marketing Servers, consider adding 75 x 3TB drives to your VNX 5500, and contact the DBA Team for their help

C. Ask them to identify how the current data is accessed, where the data is accessed from, and who is accessing the data

D. Send the Social Media Team a sizing and features spreadsheet to complete; download the OneFS Architectural White Paper for them, and create a Logical System diagram in Visio

Correct Answer:B

Question 63

At which level can retention periods be applied with Isilon SmartLock?

A. Directory

B. Node

C. File system

D. Cluster

Correct Answer:D

Question 64

A customer has a 5 node Isilon cluster. The raw capacity of the cluster is 85% used. On average, the cluster has 4,000 users connected during office hours. The average CPU usage is 65%. The customer needs to delete some data to free up capacity. What should the customer do to minimize the effect of the deletion job?

A. Delete the data from a client directly connected to the cluster

B. Run the treedelete job with a high impact and high priority during out-of-office hours.

C. Run the treedelete job with a high impact and high priority during office hours.

D. Run the treedelete job with the default impact and priority during out-of-office hours.

Correct Answer:B

Question 65

An Isilon customer wants the ability to provide low latency I/O for their files due to a workflowinvolving small, random reads and writes. Which SSD strategy is most effective for this use case?

A. Data on SSDs

B. Metadata read acceleration

C. Metadata read/write acceleration

D. Avoid SSDs

Correct Answer:A

Question 66

Which Isilon feature provides the ability to build a cluster using different node types and tiers to meet a customer's business objectives?

A. SmartPools

B. SmartQuota

C. SmartConnect

D. SnapshotIQ

Correct Answer:A
Smartpools is the licensed feature that enables using different node types.

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