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DES-1B31 Specialist - Systems Administrator, Elastic Cloud Storage (ECS)

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EMC · DES-1B31

Free DES-1B31 Exam Dumps Preview

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Question 1

Single choice

Which tab would a user select in the ECS portal to configure ESRS?

A
Settings
B
Manage
C
Dashboard
D
Connections

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Correct answerA

Question 2

Single choice

What can be used to access OpenStack Swift data on an ECS?

A
S3 Curl from ECS
ECS UI
B
S3 browser
ECS CLI
C
OpenStack Swift client browser
OpenStack Swift API
D
Amazon S3 REST API
ECS CLI

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Correct answerD

Question 3

Single choice

How does a user apply a license on an ECS system?

A
Within the ECS portal
B
Using the command line interface (CLI)
C
Through SSH
D
Using the ECS Rest API

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Correct answerA

Question 4

Single choice

HDFS supports which native file system on ECS?

A
EXT3
B
SMB
C
EXT1
D
EXT2

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Correct answerB

Question 5

Single choice

Which user can lock and unlock nodes through the ECS Portal or the ECS Management API?

A
admin
B
emcexpert
C
emcsecurity
D
root

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Correct answerC

Question 6

Single choice

What could be the reason that the D@RE button is visible but dimmed?

A
ECS software installed is a non-D@RE version
B
D@RE license has expired
C
D@RE license is not installed
D
D@RE is not enabled on the namespace

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Correct answerA

Question 7

Single choice

What is the difference between S3 authentication signature version 2 and S3 authentication signature version 4?

A
Version 2 uses a shared secret and access key ID
Version 4 uses the date/region algorithm
B
Version 2 uses HMAC algorithm
Version 4 uses the credentials scope algorithm
C
Version 2 uses a namespace based signature Version 4 uses HMAC algorithm
D
Version 2 uses the secret key to sign the request Version 4 uses a signing key

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Correct answerB

Question 8

Single choice

Which component of ECS provides clustering and configuration management?

A
Storage Engine
B
Zookeeper
C
Fabric
D
Data Services

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Correct answerC

Question 9

Single choice

How is an ECS federation created?

A
From the first ECS running the primary VDC, create an additional VDC entry for each remote ECS instance.
B
Add the remote VDC into the replication group configuration for the primary VDC
C
Create a new federation configuration from any VDC, then add all other VDCs to the configuration
D
Create the remote VDC then merge both the first VDC and the remote VDC into the federation configuration.

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Correct answerC

Question 10

Single choice

An organization is planning to integrate many S3 client applications with ECS. The applications are using virtual host style addressing for bucket identification.

What configuration should the storage administrator use?

A
Apply the DNS host record and create the needed base URL on ECS Make the needed changes to the
S3 client configuration file
B
Apply the DNS wild card record and the host record for the load balancer Install the needed SSL certificate on the load balancer
C
Apply the DNS wild card record and the host record for the load balancer Create the needed base URL on ECS
D
Apply the DNS wild card record and the host record for the load balancer Install the needed SSL certificate on the ECS nodes

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Correct answerC

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Specialist - Systems Administrator, Elastic Cloud Storage (ECS)

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