EMC E20-385 Exam Dumps PDF

Data Domain Specialist Exam for Implementation Engineers

Total Questions: 171
Update Date: March 26, 2024

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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

Answer: A

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

Answer: A

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

Answer: D

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

Answer: A

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

Answer: A

Question 6

You are installing an EMC Data Domain system with two expansion shelves in a customerprovided rack. When cabling the controller to the shelves, where does the host port on the last shelf in the chain get connected? 

A. Expansion port of the upstream shelf
B. Expansion port of the controller
C. Last port is left un-cabled
D. Host port of the controller

Answer: A

Question 7

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

Answer: A

Question 8

A customer notices an improved deduplication rate and write time into their EMC Data Domain system while multiplexing is turned off. What is the reason? 

A. Multiplexed streams negatively impact the deduplication process
B. Data rates increase on the backup server with multiplexing
C. Data flow is reduced with multiplexing
D. Multiplexed streams increase backup server disk usage

Answer: A

Question 9

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?  

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

Answer: A

Question 10

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

A. Square hole rack fastening
B. Rack-to-rack fastening
C. Round hole rack fastening
D. Tapped hole rack fastening

Answer: A