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E20-555 Exam Dumps - EMC Certification Questions and Answers

Question # 4

A customer has a requirement for a new solution to handle their growing storage requirements. The solution should have the ability to cover storage needs for the next three years. The environment consists of 100 TBs of file system data spread across five file systems. On average, the file systems grow 1 TB a month. In addition, they have a large VMware cluster supporting 200 VMs and a highly transactional database.

The customer wants the solution to offer good performance, scalability, manageability, and be cost-effective. The sales team is looking to you to recommend a solution.

Which recommendation will meet the customer’s requirements?

Options:

A.

VNX for DB and VMware workloads, and Isilon for file system data

B.

Isilon scale-out and cluster as required

C.

VNX Unified platform with FAST Cache

D.

VMAX with FAST VP and a NAS Gateway

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Question # 5

Which type of antivirus scan is unsupported by Isilon OneFS?

Options:

A.

Individual files

B.

Policy scan

C.

MultiScan

D.

On-access

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Question # 6

A customer environment is used for analytics on very large datasets. They are interested in using Isilon storage and Hadoop but are concerned about the costs.

How does Isilon change the scalability of a Hadoop environment?

Options:

A.

JobTracker and TaskTracker are offloaded to the Isilon cluster

B.

DataNode and TaskTracker are offloaded to the Isilon cluster

C.

NameNode and DataNode are offloaded to the Isilon cluster

D.

NameNode and JobTracker are offloaded to the Isilon cluster

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Question # 7

Which block size is used by Isilon SyncIQ to transfer data?

Options:

A.

2 KB

B.

4 KB

C.

6 KB

D.

8 KB

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Question # 8

An Isilon customer wants to more effectively manage their storage and thereby achieve performance improvements. Which tool will help improve workflow performance on their cluster?

Options:

A.

InsightIQ

B.

Isilon SNMP MIB

C.

SyncIQ

D.

SmartPools

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Question # 9

When creating a FilePool policy via the OneFS WebUI, what is the maximum allowed number of condition

blocks?

Options:

A.

1

B.

3

C.

8

D.

No limit

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Question # 10

A customer created one month of snapshots; one snapshot every 8 hours for 30 days on an Isilon cluster using SnapshotIQ. They are now deleting the snapshots randomly and experiencing overhead to the cluster.

How can the snapshots be removed while avoiding the overhead caused by this process?

Options:

A.

Delete the snapshots in order

B.

Use SmartPools to move the snapshot data to a different tier

C.

Snapshots cannot be deleted

D.

Remove the directory

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Question # 11

A customer has an SMB file directory with 375 TB of data on the primary cluster with a protection level of N+3:1. They want to replicate this directory to the secondary cluster. They are interested in the possibility of setting protection levels on the target cluster.

Which target directory protection level information can be provided?

Options:

A.

Does not need to match the source and is configured separately on the target cluster

B.

Must match the source and is configured separately on the target cluster

C.

Cannot be altered and is controlled by SyncIQ

D.

Can be altered by the command line interface and is controlled by SyncIQ

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Question # 12

How is the journal protected in Gen 6 hardware?

Options:

A.

Identical copy is maintained on all nodes of the cluster

B.

Identical copy is maintained on both nodes of each node pair

C.

Each node has a mirrored M.2 vault

D.

Each node has a mirrored write cache

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Question # 13

A potential customer requires 4 PB of usable capacity to store media files. The workloads are a combination of streaming video delivery and long term archive of video assets.

There is very little space available in the customer's datacenter, so physical density is very important. The customer is concerned about performance impact and potential data loss when using 3 TB or larger drives.

What Isilon capabilities can address the customer's concerns?

Options:

A.

Isilon does not perform rebuilds - data reprotection is typically 2x-3x faster than traditional RAID rebuilds.N+3 and N+4 Protection Levels exceed traditional RAID6 availability.Data redistribution runs faster with more nodes in the cluster.

B.

N+3 and N+4 Protection Levels exceed traditional RAID6 availability.Proactive hot sparing eliminates most drive rebuilds.Endurant Cache reduces the overhead for write operations.

C.

Isilon does not perform rebuilds - data reprotection is typically 2x-3x faster than traditional RAID rebuilds.Data recovery is consistent, taking the same amount of time regardless of cluster size.Isilon 'short strokes' 4TB drives to reduce rebuild time.

D.

Isilon nodes have more drives per rack unit so fewer shelves are required.Proactive hot sparing eliminates most drive rebuilds.N+3 and N+4 Protection Levels exceed traditional RAID6 availability.

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Exam Code: E20-555
Exam Name: Isilon Solutions and Design Specialist Exam for Technology Architects
Last Update: Feb 22, 2025
Questions: 344
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