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Ace the EMC E20-555 Exam: Ultimate Preparation Guide

Questions 31

A customer plans to migrate data to a remote Isilon cluster. What is a consideration when configuring a cluster

with SyncIQ and hard SmartQuotas?

Options:

A.

SyncIQ ignores quota limits during replication but if a quota is over limit, quotas will still allow users to add

data to the directory.

B.

Quotas should be configured on both SyncIQ source and target directories prior to a migration.

C.

SyncIQ will replicate source quota configurations to the target.

D.

Quotas should be set only on source directories and never on target directories for migrations.

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Questions 32

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?

Options:

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.

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Questions 33

In OneFS, what is the largest number of disks in a subpool?

Options:

A.

234

B.

256

C.

468

D.

864

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Questions 34

How much space is consumed by a 4 KB file when the file data is written to the Isilon cluster?

Options:

A.

4 KB

B.

8 KB

C.

16 KB

D.

32 KB

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Questions 35

Which impact policies are available on an Isilon cluster?

Options:

A.

High, Medium, Low, Default

B.

High, Medium, Low, Paused

C.

High, Medium, Low, Auto

D.

ASAP, High, Medium, Low

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Questions 36

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. The customer would like information about the possibility of setting protection levels on the target cluster.

What information can be provided to the customer about the protection level for the target directory?

Options:

A.

Configured separately on the target cluster and does not need to match the source

B.

Configured separately on the target cluster and must match the source

C.

Controlled by SyncIQ and cannot be altered

D.

Controlled by SyncIQ and can be altered by the CLI

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Questions 37

Match each performance tool with its use case.

E20-555 Question 37

Options:

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Questions 38

When planning a new cluster using backend leaf-spine topology, what is the maximum number of nodes

supported when using two leaf switches and one spine switch?

Options:

A.

32

B.

44

C.

66

D.

144

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Questions 39

What is the overhead impact on the physical capacity when configuring data protection at +2:1 on a 6-node Isilon cluster?

Options:

A.

1/2

B.

1/4

C.

1/5

D.

1/6

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Questions 40

A customer is inquiring about expanding their primary cluster consisting of six S-Series nodes in order to improve performance. They have a second cluster with 11 X-Series nodes. Both clusters leverage 1GbE, but the customer recently installed a 10GbE network that can be utilized. They also have multiple Fibre Channel SAN arrays in their environment.

They have a variety of workloads on each cluster and are in the process of determining which workloads belong on which cluster. They have discovered that one of the workloads- a SQL database that resides on the X-Series node cluster - is experiencing timeouts due to latency. The database vendor has suggested limiting latency to 5ms or less to eliminate these timeouts.

How do you advise the customer?

Options:

A.

Consider migrating data from Isilon to one of their SAN platforms or proposing a new solution to handle the performance requirements of SQL.

B.

Merge the S-Series nodes and X-Series nodes into one cluster, upgrade the 1GbE to 10GbE, and leverage SmartPools to allow for the cluster to determine where data should reside.

C.

Suggest the customer consider leveraging SSDs in the new nodes they purchase and GNA to boost the performance of each cluster.

D.

Recommend they increase the amount of DRAM in the cluster or consider an Accelerator node in order to increase the amount of cache in their cluster.

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Exam Code: E20-555
Exam Name: Isilon Solutions and Design Specialist Exam for Technology Architects
Last Update: Jun 23, 2024
Questions: 344

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