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E20-385 Questions and Answers

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E20-385 Questions and Answers

Question # 6

A system administrator wants to integrate Dell EMC Data Domain with an available Dell EMC ProtectPoint appliance. Which type of export must the system administrator create?

A.

NFS

B.

vDisk

C.

LSU

D.

MTree

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Question # 7

What is required to implement Dell EMC ProtectPointwith DD Boost?

A.

Both Fibre Channel and SAS connectivity

B.

SAS connectivity only

C.

Fibre Channel connectivity only

D.

Both IP and Fibre Channel connectivity

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Question # 8

A customer wants to improve upon their current disaster recovery (DR) strategy. This strategy should include full system data replication to a remote EMC Data Domain system.

Which method should be used to expedite the initial seeding?

A.

Same site seeding of the new Data Domain system using collection replication.

Perform replication resynchronization when the system is in place at the DR site.

B.

Remote site seeding of the new Data Domain system using collection replication.

Perform replication resynchronization.

C.

Establish replication between the source and the new remote Data Domain system.

D.

Same site seeding of the new Data Domain system using managed replication.

Perform a replication resynchronization when the system is in place at the DR site.

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Question # 9

A delivery specialist wants to integrate a Dell EMC Data Domain system into an existing backup environment using NAS. What are the supported protocols?

A.

CIFS and NFS only

B.

CIFS, NFS, DD Boost, and VTL

C.

CIFS, NFS, and DD Boost only

D.

CIFS, NFS, and VTL only

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Question # 10

What is the default password on a new EMC Data Domain system?

A.

serial number

B.

abc123

C.

sysadmin

D.

changeme

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Question # 11

Which functionality is recommended by Dell EMC to be disabled on backup software when configuring Dell EMC Data Domain VTL?

A.

Multiplexing

B.

Multithreading

C.

Parallelism

D.

Target Session

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Question # 12

Which command erases segments associated with deleted files that cannot be globally erased because the segments might be used by other files?

A.

filesys clear, start

B.

storage sanitize

C.

system sanitize

D.

filesys clean set

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Question # 13

You are tasked with installing a new EMC Data Domain system in an existing NetWorker environment. The customer requirements state that they need the ability to perform multiple concurrent clone operations from the same device.

Which device type(s) supports the customer's requirements?

A.

Data Domain device only

B.

Data Domain device and file type device

C.

Storage unit device type only

D.

Data Domain device and disk pool device type

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Question # 14

What is required to configure a cloud file system?

A.

A local store for a local copy of the cloud metadata

B.

A local store for a local copy of the cloud data

C.

Active tier encryption using the embedded key manager

D.

Active tier encryption using an external key manager

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Question # 15

On an EMC Data Domain system with Extended Retention, when is cleaning performed on the Active Tier?

A.

As scheduled or immediately after data movement

B.

As scheduled before the cleaning of the Retention Tier

C.

As scheduled in the backup application

D.

As scheduled together with the data in the Retention Tier

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Question # 16

A backup administrator is currently using Veritas NetBackup with DD Boost for backups to a Dell EMC Data Domain system. They want to reduce the frequency of full backups in the environment to improve RPO.

Which backup method would allow them to achieve this goal?

A.

DD Boost using Open Storage backups

B.

DD Boost VTL backups

C.

DD Boost synthetic backups

D.

DD Boost over Fibre Channel

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Question # 17

A cloud administrator is trying to recall data from the cloud. What is a consideration for recalling the data?

A.

Can be done only for segments present in the active tier

B.

Will attempt recall even if there is no space to move the file

C.

Does not check for existing data segments in the active tier

D.

Can be done on same file or another file in the active tier

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Question # 18

What is the maximum capacity that a cloud unit can have with a Dell EMC Data Domain DD9500?

A.

432 TB

B.

512 TB

C.

864 TB

D.

1.7 PB

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Question # 19

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?

A.

File

B.

Disk

C.

AFTD

D.

Storage Unit

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Question # 20

Which method of deduplication yields better deduplication results for multiple data types?

A.

Variable segment size due to its ability to split the data stream into segments

B.

Variable segment size due to its ability to add data to a variable segment and move the data stream

C.

Fixed segment-based due to its ability to allow sub-file chunking of data

D.

Fixed segment size due to its ability to add data to a fixed segment and move the data stream

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Question # 21

An organization has Dell EMC Data Domain retention lock compliance enabled on an MTree. Due to malicious tampering of the system clock: the file system is disabled.

Which user role has the privilege required to enable the file system?

A.

System admin

B.

Backup operator

C.

Limited admin

D.

Security officer

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Question # 22

Which type of deduplication does Dell EMC Data Domain use to reduce the data footprint before data is stored to disk?

A.

Inline

B.

Post-process

C.

File-based

D.

Fixed-segment

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Question # 23

An EMC Data Domain customer can view data on a destination system in a collection replication context. They are attempting to write data using CIFS; however, they are unable to perform writes.

What is causing this issue?

A.

Data is read-only

B.

Write permission needs to be enabled on the share

C.

User needs write permissions

D.

Share needs to be configured

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Question # 24

What changed in the WWN format of the EMC Data Domain OS 5.4?

A.

NAA type 5

B.

First segment

C.

Last segment

D.

NAA type 1

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Question # 25

After backups are expired and data is marked for deletion, when is space freed up on an EMC Data Domain file system?

A.

After completion of the next file system cleaning

B.

Daily at 6 AM

C.

Immediately after the data is marked for deletion

D.

When the Data Domain system is rebooted

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