These lines are taken from /etc//samba/smb.conf:
workgroup = group1
guest account = nobody
What else is needed for this to work?

A.
nobody must be a valid group on the server.

B.
nobody must be a user name listed in /etc/passwd.

C.
group1 must be a valid group on the server.

D.
workgroup must be a valid group on the server.