Which of the following commands can be used to access the content of a ramdisk file (/boot/initrd)
used by the kernel at boot time?

A BIND server should be upgraded to use TSIG. Which configuration parameters should be
added, if the server should use the algorithm hmac-md5 and the key skrKc4DoTzi/tAkllPi7JZA== ?

Which of the following sentences is true for the shown BIND9 configuration?
options {
directory “/var/named”;
allow-query { any; };

allow-recursion {127.0.0.1; 10.0.0.0/24; };
forwarders {192.168.0.4; };
forward first;
};
zone”.” {
type hint;
file “named.ca”;
};

What is a significant difference between host and zone keys generated by dnssec-keygen?

A system is running out of swap space. To initialise 5GB of additional swap space, which
combination of commands should be used?

Hundreds of people log in to a server from remote locations per day. Which of the following
commands show remote SSH, FTP & telnet sessions for a particular day?

What command is used to mount a floppy disk image under /mnt/floppy?

What information can be found in the log file specified by the status parameter in OpenVPN’s
server.conf? (Select TWO correct answers)

After changing the default runlevel in the init configuration file, the system boots in a different than
the intended runlevel. Where else could be this different runlevel be defined?

A BIND server should never answer queries from certain networks or hosts. Which configuration
directive could be used for this purpose?