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E20-385 Data Domain Specialist Exam for Implementation Engineers Questions and Answers

Questions 4

Where does inline deduplication occur in a Dell EMC Data Domain system?

Options:

A.

PRAM

B.

RAM

C.

File system

D.

NVRAM

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Questions 5

A customer creates a DD Boost storage unit called "oracle". What is the path for this storage unit on the EMC Data Domain system?

Options:

A.

/data/col1/oracle

B.

/data/col1/backup/oracle

C.

/data/col1/ddboost/oracle

D.

/data/ddboost/oracle

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Questions 6

Where is the file system metadata stored on a Dell EMC Data Domain system with Extended Retention software?

Options:

A.

Cloud Tier

B.

Active Tier and Archive Tier

C.

Archive Tier only

D.

Active Tier only

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Questions 7

A customer wants to integrate an EMC Data Domain system with IBM Tivoli Storage Manager (TSM) over NFS. Which device class is recommended to define the Data Domain system in TSM?

Options:

A.

File

B.

Disk

C.

AFTD

D.

Storage Unit

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Questions 8

What is the current NAA type in the WWN format used within EMC Data Domain OS 5.4?

Options:

A.

1

B.

2

C.

5

D.

6

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Questions 9

When using VTL on an EMC Data Domain system, why should persistent binding be enabled on the host?

Options:

A.

Prevents interruption of backup operations after a system reboot

B.

Enables LUN Masking, assisting in performance

C.

Provides access to devices during an outage

D.

Provides high availability

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Questions 10

A customer is integrating an EMC Data Domain into their Symantec NetBackup environment as an OST device. DD Boost has been configured on the Data Domain. After a few weeks of running backups, the customer notices the performance is lower than expected.

On the Data Domain, which configuration option should be enabled to offload part of the deduplication process to the NetBackup media server to improve backup performance?

Options:

A.

DSP

B.

NFS

C.

WAN Optimization

D.

MTree

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Questions 11

Refer to the exhibit.

Based on the exhibit, what does the difference between the inbound network rate and writes to disk indicate on the EMC Data Domain system?

Options:

A.

Much of the data is redundant and being deduplicated

B.

Much of the data is unique and being stored to disk

C.

A problem exists with the Data Domain system

D.

Data Domain system is deduplicating data faster than the backup server can send it

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Questions 12

What is the maximum value of 'Mount Limit' for restore instances recommended by IBM Spectrum Protect for accessing an NFS share from Dell EMC Data Domain?

Options:

A.

1024

B.

2048

C.

4096

D.

8192

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Questions 13

A customer needs the ability to prevent their retained data from being modified or deleted for a defined period of time. In addition to protecting the data, regulatory requirements demand a higher level of security ensuring the integrity of the data.

Which EMC Data Domain feature provides this capability?

Options:

A.

DD Retention Lock Compliance Edition

B.

DD Retention Lock Governance Edition

C.

DD Extended Retention

D.

DD Encryption Lock

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Questions 14

In an EMC Data Domain environment, when are cage nuts used?

Options:

A.

Square hole rack fastening

B.

Rack-to-rack fastening

C.

Round hole rack fastening

D.

Tapped hole rack fastening

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Questions 15

Which SAS ports on Link Controller Cards (LCCs) are supported by Dell EMC Data Domain systems for a DS60 Shelf?

Options:

A.

Ports 0 and 2

B.

Ports 1 and 2

C.

Ports 1 and 3

D.

Ports 2 and 4

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Questions 16

Based on the exhibit,

if SAS HBA slot 1 port B is connected to Shelf 01 port BH. to which shelf and port should SAS HBA slot 2 port A be connected?

Options:

A.

Shelf 04 AH

B.

Shelf 01 BH

C.

Shelf 04 AE

D.

Shelf 01 AH

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Questions 17

Which configuration change requires a mandatory reboot of the Dell EMC Data Domain controller?

Options:

A.

Host name

B.

Time zone

C.

NTP

D.

DNS

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Questions 18

On an EMC Data Domain system, when does the "throttle" setting reduce resource allocation to the file system cleaning process?

Options:

A.

When other operations run during file system cleaning

B.

Whenever file system cleaning runs

C.

Whenever any non-cleaning operation runs

D.

Only when replication runs during file system cleaning

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Questions 19

A customer wants to implement EMC Data Domain Extended Retention on a Data Domain system in their environment. What is a requirement for using Extended Retention?

Options:

A.

SAS card must be available

B.

Usable capacity must be a minimum of 1 PB

C.

Controller must have 92 GB of memory

D.

Must be running a minimum of DD OS 5.1

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Questions 20

By default, which percentage of CPU resources are allocated to the EMC Data Domain cleaning cycle?

Options:

A.

25%

B.

30%

C.

50%

D.

75%

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Questions 21

What is the correct sequence of operations used by the Dell EMC Data Domain Data Invulnerability Architecture (DIA) in the end-to-end verification process?

Options:

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Questions 22

A customer's EMC Data Domain system has an Ethernet port called "bmc0a". What is the purpose of this Ethernet port?

Options:

A.

Dedicated Ethernet port for IPMI, providing "out-of-band" access

B.

Shared Ethernet port for IPMI, providing "sideband" access

C.

Dedicated Ethernet port for data and administration purposes

D.

Dedicated Ethernet port for IPMI, providing "sideband" access

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Questions 23

If you have a 2U EMC Data Domain Controller with three expansion shelves, what is the total rack space needed?

Options:

A.

8U

B.

9U

C.

11U

D.

14U

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Questions 24

What is the maximum number of VTL library instances on each Dell EMC Data Domain system?

Options:

A.

32

B.

48

C.

56

D.

64

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Questions 25

An EMC Data Domain administrator needs to replicate the entire /data/col1 area from source to destination and be considered a true form of disaster recovery. Which replication method should be used?

Options:

A.

Collection

B.

MTree

C.

Directory

D.

Managed Replication

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Exam Code: E20-385
Exam Name: Data Domain Specialist Exam for Implementation Engineers
Last Update: Dec 3, 2024
Questions: 171