After the installation of Dovecot, it is observed that the dovecot processes are shown in ps ax like this:
In order to associate the processes with users and peers, the username, IP address of the peer and the connection status, which of the following options must be set?
To display verbose process details, including the username, IP address of the peer, and the connection status for Dovecot processes, the option 'verbose_proctitle = yes' should be set in the Dovecot configuration. This setting allows the ps command to show more detailed information about the processes, which includes the requested details.
D is correct: verbose_proctitle : If enabled, the ps command shows more verbose process details, including the username and IP address of the connected client.
Ref.: https://doc.dovecot.org/settings/core/