Which protocol is used with Dell EMC Data Domain Cloud Tier to transfer data between a Data Domain system and the cloud?

Correct Answer: C 🗳️
Dell Data Domain replicator protocols:

References:
https://www.emc.com/collateral/software/white-papers/h7082-data-domain-replicator-wp.pdf

An administrator is looking for a way to change each company department for storage utilization on their Dell EMC Data Domain systems. How can this be implemented in Data Domain?

Correct Answer: A 🗳️
The Cloud Unit may be used by multiple MTrees. Individual data movement policies are set for each MTree moving data to the Cloud Unit.
References:
ECS And Data Domain Cloud Tier Architecture Guide

When implementing Extended Retention on a Dell EMC Data Domain system, which license is required?

Correct Answer: B 🗳️
EMC Data Domain Extended Retention is a licensed software option installed on a supported EMC Data Domain controller, and a shelf capacity license for each storage shelf.
The appropriate shelf capacity license is required for any new shelf that you add. The license is specific to either an active or archive tier shelf. An Expanded-
Storage license is required to expand the Active Tier Storage above the following capacity, depending on the controller model:
✑ DD860: 64 TB of raw capacity; for example, more than two ES20-32 TB shelves.
✑ DD990: 360 TB of raw capacity
You cannot use additional storage without first applying the appropriate licenses.
References:
Data Domain Extended Retention Administration Guide DD OS 5.2, page 14

Which Dell EMC Data Domain model supports Data Domain Extended Retention software?

Correct Answer: A 🗳️
EMC Data Domain Extended Retention is a licensed software option installed on a supported EMC Data Domain controller, and a shelf capacity license for each storage shelf.
The appropriate shelf capacity license is required for any new shelf that you add. The license is specific to either an active or archive tier shelf. An Expanded-
Storage license is required to expand the Active Tier Storage above the following capacity, depending on the controller model:
✑ DD860: 64 TB of raw capacity; for example, more than two ES20-32 TB shelves.
✑ DD990: 360 TB of raw capacity
You cannot use additional storage without first applying the appropriate licenses.
Which Dell EMC Data Domain model supports Data Domain Extended Retention software?