Emc exams lab exactprep E20-555 Questions by Adriel q69 vce pdf

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Exam Name:	Isilon Solutions and Design Specialist Exam for Technology Architects
Exam Code:	E20-555 Dumps
Vendor:	EMC	Certification:	EMC Certification
Questions:	344 Q&A's	Shared By:	adriel

Question 24

A customer is looking for a NAS solution to support their read-intensive application.

This solution must meet the following requirements:

1000 users
Aggregate bandwidth of 5 GB/s
500 TB of user data
Typical latency of 5 ms.

The files are distributed evenly across 10 directories.

Which cluster configuration would best meet these requirements?

Options:

Seven X400 (108 TB) nodes with no SSD

Eight NL400 (96 TB) nodes with 1.6 TB SSD

Eight X400 (96 TB) nodes with 1.6 TB SSD

Twenty-five X200 (30 TB) nodes with 800 GB SSD

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Question 25

A customer is planning an Isilon deployment for use with their Hadoop environment. What is one advantage of using Isilon as the HDFS layer?

Options:

Facilitates independent scaling of compute and storage nodes

Provides single protocol access to data

Integrates storage into Hadoop compute for more flexibility

Allows the compute nodes to apply data protection

Discussion

Question 26

-- Exhibit --

A large manufacturing company is an existing Isilon customer with a cluster consisting of four NL400 nodes with 4TB drives. The cluster is using N+2:1 protection level and the file system shows that it is 60% utilized. Home directories and file shares comprise 75% of the existing content and the remainder is inactive deep archive. The company has 1,000 employees using Windows and Mac clients participating in a single Active Directory (AD) forest.

During a meeting with the CIO and Director of IT you discuss the company’s recent acquisition – an engineering firm that specializes in Computer Aided Design (CAD). The engineering firm has 400 UNIX workstations that produce technical drawings which are currently stored on another vendor’s SAN solution. The all UNIX environment uses NIS for authentication and name resolution. They do not currently use DNS or LDAP. The engineering company has an old storage system that has been experiencing problems and the CIO would like you to migrate the data onto the Isilon cluster. The CIO would like to eliminate all tape and recover the data onto disk.

The CIO is concerned about security of the company’s intellectual property, especially with the rapid adoption of mobile devices and external cloud content sharing services such as DropBox, Egnyte, and SugarSync. They would like to implement an alternative that provides external file sharing and mobile device synchronization while maintaining security control over the company’s data.

The Director of IT reports that users are storing non-work related content on the Isilon cluster. They would like to limit the amount of capacity that each user can consume in their home directory and want to ensure you provide the capability to easily visualize which users are over their allotment.The company’s Windows users currently leverage Windows Shadow Copy to recover files that have been accidentally deleted. The IT department wants to ensure that Mac and incoming UNIX clients have the same functionality.

The Director of IT also mentions that users are reporting slow response times when browsing their home directories and shared folders. They are concerned that Isilon cannot scale to support their combined requirements.

-- Exhibit --

Which configuration changes would you recommend for the Engineering users?

Options:

Direct all clients to use the Manufacturing DNS server and connect NFS mounts to the FQDN of the Isilon cluster.

Mount an NFS share to a node on the Isilon cluster, being careful to equally distribute the load across nodes.

Utilize SMB2.1 protocol and mount to the Isilon cluster using the Name Server (NS) record IP.

Create an FQDN for the Isilon cluster in the LMHOSTS file for each engineering system.

Discussion

Question 27

What key considerations should be kept in mind when designing a 300TB solution?

Options:

Workflow managementDefining class of serviceTime of day servicesRPO and RTOData retention and backup