Which global option in squid.conf sets the port number or numbers that Squid will use to
listen for client requests?

What backup arrangement should be used for an intranet web server the contents of which
is updated fairly regularly by different staff?

In a PAM configuration file, which of the following is true about the sufficient control flag in
the following line? Auth sufficient pam_module.so

During which stage of the boot process would this message be seen? Ide0: BM-DMA at
0xff00-0xff07, BIOS settings: hda:DMA, hdb:DMA

Which Postfix command can be used to rebuild all of the alias database files with a single
invocation?

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 company is transitioning to a new domain name and wants to accept e-mail for both
domains for all of its users on a Postfix server. Which configuration option should be
updated to accomplish this?

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== ?

Why should the Postfix parameter disable_vrfy_command be set to yes on a publicly
accessible mail server?

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”; };