Which are two considerations for enabling this functionality?

At Universal Containers, users would like to be able to share Salesforce records with other members of their team, while collaborating around general topics as well.

Which are two considerations for enabling this functionality? Choose 2 answers
A . Collaboration groups are created automatically for every department.
B . The Add Record action must be configured in the group publisher.
C . Object layouts should be configured to include the groups related list.
D . An administrator needs to create a group to enable record sharing.

Answer: C,D