Which statement is true regarding the following /etc/resolv.conf file?
searchexample.com
127.0.0.1
208.77.188.166

What is the purpose of the dig command?

CORRECT TEXT
Given the following line from /etc/nsswitch.conf:
hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4
By default, which file will be queried first for hostname lookups? (Provide the full path and
filename)

CORRECT TEXT
Which file lists which users can execute commands using sudo? (Provide the full path and
filename)

CORRECT TEXT
An administrator has added the following line to /etc/inittab in order to disable the ability to reboot
a Debian system by pressing the Control + Alt + Delete keys simultaneously:
ca:12345:_________:/bin/echo “Rebooting disabled”

CORRECT TEXT

Which option, when passed to thegpg command, will enter an interactive menu enabling the user
to perform key management related tasks? (Provide only the option)

While performing a security audit, you discover that a machine is accepting connections on TCP
port 184, but it is not obvious which process has the port open. Which of the following programs
would you use to find out?

What is the highest numbered TCP /IP port?

You are working on a server that has multiple ethernet network interfaces, and you wish to find out
the IP address assigned to the ethl interface. Which of the following commands will print the

necessary information?

Which of the following is the best way to list all defined shell variables?