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EMC E20-385 Data Domain Specialist Exam for Implementation Engineers Exam Practice Test

Demo: 25 questions
Total 171 questions

Data Domain Specialist Exam for Implementation Engineers Questions and Answers

Question 1

On an EMC Data Domain system, what is the role of file system cleaning?

Options:

A.

Remove unreferenced segments from physical storage

B.

Delete data from VTL cartridges that have been marked as expired

C.

Remove all traces of a file to resolve classified message incidents

D.

Eliminate older snapshots if the file system exceeds 90% utilization

Question 2

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

Question 3

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

Question 4

What does the EMC Data Domain file level retention locking feature provide?

Options:

A.

Active archive protection for IT governance

B.

Instant restoration of applications and data

C.

Built-in data safety for extended onsite retention

D.

Offline availability of archive data

Question 5

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

Question 6

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

Question 7

Which segment size(s) is used by EMC Data Domain SISL?

Options:

A.

4 - 12 KB

B.

16 - 32 KB

C.

24 and 44 KB

D.

128 KB

Question 8

An EMC Data Domain customer wants to set up link aggregation using two network interface connections. The connections will go from the Data Domain system to Switch A and Switch B. The following IP/networking configuration will be used to create the aggregation:

Switch A is connected to DD interface eth3a

10 GB link

IP = 10.200.1.10

Switch B is connected to DD interface eth4b

1 GB link

IP = 10.200.1.11

Which mode would you recommend for this configuration?

Options:

A.

Bonding mode is unsupported

B.

Round Robin

C.

LACP

D.

Balanced

Question 9

A customer is deploying EMC Data Domain systems in four data centers worldwide. The Data Domain systems will be using VTL. Each system will have a unique tape pool.

The customer wants to replicate data to all sites. The data needs to be encrypted locally and then replicated to remote sites over the WAN.

What needs to be deployed to meet the customer's requirements?

Options:

A.

Encryption of Data at Rest and pool replication with encryption enabled

B.

Encryption of Data at Rest and collection replication with encryption enabled

C.

Pool replication with encryption enabled

D.

Collection replication with encryption enabled

Question 10

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

Question 11

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

Question 12

An EMC Data Domain customer has an environment with 10 branch offices whose backup data is replicated to their primary location. For disaster recovery purposes, the primary location is replicated to an offsite location.

Which replication topology does this represent?

Options:

A.

Cascaded

B.

Cascaded One-to-Many

C.

Many-to-One

D.

Star

Question 13

An EMC Data Domain customer has configured replication of four directories created under the /data/col1/backup MTree with the following configuration:

NFS Exports

/data/col1/backup/Engineering

/data/col1/backup/Oracle

CIFS Shares

/data/col1/backup/Operations

/data/col1/backup/HR

They want to achieve the following:

1. Move these directories to MTrees

2. Consolidate the directories, where possible, to minimize the number of MTrees

3. Create new replication contexts

They do not plan to change the protocols used to access these locations. Which MTree setup will support this configuration change?

Options:

A.

Consolidate directories (Engineering and Oracle) to one MTree

Consolidate directories (Operations and HR) to one MTree

B.

Rename the entire/data/col1/backup MTree to /data/col1/IT

C.

Consolidate directories (Engineering, Oracle, and Operations) into a single MTree

Convert the HR directory into its own MTree

D.

Consolidate all directories into a single MTree

Question 14

A customer has configured an MTree (/data/col1/departments) on an EMC Data Domain system with two subdirectories configured as Sales and HR. They want to configure replication to replicate only the Sales subdirectory to another Data Domain system. In addition, they do not want to replicate the HR subdirectory.

How can this be accomplished?

Options:

A.

Move the Sales subdirectory to its own MTree

B.

Take a snapshot of the Sales subdirectory and replicate the snapshot

C.

Configure directory replication for the subdirectory /data/col1/departments/Sales

D.

Perform a fast copy of the subdirectory /data/col1/departments/Sales and replicate the copy

Question 15

A customer wants to integrate an EMC Data Domain appliance into their current backup environment using CIFS, NFS, DD Boost, and VTL. Which backup application supports the four protocols?

Options:

A.

Symantec NetBackup and EMC NetWorker

B.

Symantec NetBackup and Dell vRanger

C.

EMC Avamar and NetWorker

D.

Oracle RMAN and Symantec Backup Exec

Question 16

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

Question 17

In a Dell EMC Data Domain backup environment, what is used for writing to and reading from the backup targets in Veritas Backup Exec?

Options:

A.

Master Server

B.

Storage Node

C.

Media Server

D.

Media Agents

Question 18

When a customer deploys an EMC Data Domain system at a remote location that does not have an IT staff, what type of remote management method(s) is possible?

Options:

A.

Managed with IPMI and SOL commands

B.

Managed with IPMI commands only

C.

Managed with SOL commands only

D.

Managed with iDRAC and SOL commands

Question 19

When configuring backups to an EMC Data Domain system using VTL, what is a backup software recommendation for NetWorker?

Options:

A.

Create two AFTDs per pool

B.

Group AFTDs by retention period and data type

C.

Increase the number of target sessions

D.

Set up a single AFTD in CIFS implementations

Question 20

Refer to the exhibit.

When monitoring the system show stats command output, you notice that the "Disk Write KiB/s" column does not have same data rate as "Net eth0a in MB/s" column. What is a possible reason for this behavior?

Options:

A.

High inline deduplication on the Data Domain system

B.

Pre-encrypted data written to the Data Domain system

C.

Pre-compressed data written to the Data Domain system

D.

High internal file system latency on the Data Domain system

Question 21

In a EMC Data Domain system, which user role allows creation of snapshots as well as import and export of tapes to a VTL library?

Options:

A.

Backup-operator

B.

User

C.

Security

D.

Data-access

Question 22

You have been tasked with configuring an NFS export on an EMC Data Domain for use on a Symantec NetBackup media server. The NetBackup media server is running Linux O/S. All configuration tasks were completed on the Data Domain.

You have created the NFS mount point, mounted the Data Domain NFS export, and created a directory for backups. After the first reboot, you notice that the Data Domain NFS exports are no longer mounted on the Linux media server.

Which file needs to be modified on the Linux media server to allow Data Domain to be mounted after reboots?

Options:

A.

/etc/fstab

B.

/etc/vfstab

C.

/etc/modprobe.conf

D.

/etc/resolv.conf

Question 23

What is a characteristic of the Dell EMC Data Domain Cloud Tier with Retention Lock?

Options:

A.

Retention Lock is not supported in the cloud tier

B.

Files that are in cloud tier cannot be locked

C.

Cloud unit can be deleted when Data Domain is compliant

D.

Files that are locked on the active tier can be moved to the cloud tier

Question 24

A customer's EMC Data Domain system reports a global compression ratio of 7.8x. This does not meet the customer’s expectations.

What can be done to increase the data reduction ratio?

Options:

A.

Extend the data retention period

B.

Turn off local compression on the system

C.

Compress the data before sending it to the system

D.

Reduce the data retention period

Question 25

How many slots per VTL are supported in a single Dell EMC Data Domain system?

Options:

A.

16000

B.

24000

C.

32000

D.

64000

Demo: 25 questions
Total 171 questions