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?

Given the following Squid configuration excerpt:
cache_dir ufs /var/spool/squid3/ 1024 16 256
Which of the following directories will exist directly within the directory /var/spool/squid3/? (Choose two.)

Which of the following DNS records could be a glue record?

Which netfilter table contains built-in chains called INPUT, OUTPUT and FORWARD?

If there is no access directive, what is the default setting for OpenLDAP?