Which port must be open on a firewall, to allow a DNS server to receive queries? (Enter only the port
number).

Which type of DNS record defines which server(s) email for a domain should be sent to?

After calling ./configure with its appropriate parameters and no errors, what would be the next
command to run?

Please enter, separated with a space but without paths, the TWO archive programs needed in
addition to gzip, to extract files from a .deb file without using the Debian package manager.

Because of a bad BIOS LBA translation, a booting system displays an error instead of a LILO prompt.
Complete the error message with the error number: L

Please enter the command with all parameters and arguments, that could be used by root to list the
cron jobs for the user john.

Which command with all parameters and arguments, can be used by root to erase the cron job list
for the user fred?

Messages from programs are not appearing in the user’s native language. What environment
variable must be set for this to happen?

When building an RPM package, which rpmbuild option is used to unpack sources and apply patches
before proceeding with the next steps?

Which of the following must be included in the syslogd configuration file, so that ONLY kernel
related messages with the priority crit are reported?