Data Domain Specialist Exam for Implementation Engineers Practice Test

EMC E20-385 Exam Dumps Questions

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Update Date : Jun 22, 2026
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Free EMC E20-385 Questions & Answers

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Question # 1
While implementing an EMC Data Domain system, the system is unable to join the Microsoft Active Directory domain. What is preventing the system from joining the domain? 

A. System time varies from AD server time by 310 seconds

B. Backup user does not have operator privileges

C. Unstable Fibre Channel connectivity to the AD server

D. Kerberos tickets are 210 seconds old and stale



Question # 2
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? 

A. DSP

B. NFS

C. WAN Optimization

D. MTree



Question # 3
Which command can be used on a Dell EMC Data Domain system to identify Active Directory joining issues?

A. user show list

B. cifs show active 

C. cifs troubleshooting list-groups

D. cifs troubleshooting list-users



Question # 4
You are an administrator for an EMC Data Domain system. Recent corporate policy changes mandate the following:1. Database files must be retained for a 7-year period.2. After the 7-year time period, the files must be permanently destroyed.3. Data exposure must be minimized when disk-based hardware is shipped.Which Data Domain software licenses need to be applied to the system?

A. Retention Lock and Encryption

B. Encryption and VTL with NDMP

C. DD Boost and Encryption

D. Retention Lock and Replication



Question # 5
A Dell EMC Domain Data system with two expansion shelves in a customer-provided rack. When cabling the controller to the shelves, where does the expansion port on the last shelf get connected?

A. Expansion port is left un-cabled

B. Host port on the controller

C. Host port on the other expansion shelf

D. Expansion port on the controller



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