Universal container would like to use a chatter group for their mergers and acquisitions team to collaborate on potential new projects. This project should not be visible for non-members to see or join, and can be accessed by invites only.

Universal container would like to use a chatter group for their mergers and acquisitions team to collaborate on potential new projects. This project should not be visible for non-members to see or join, and can be accessed by invites only.
A . Private group
B . Public group
C . Unlisted group
D . Member group

Answer: C