Which of the following programs uses the hosts.allow file to perform its main task of checking for
access control restrictions to system services?

What is the name of the main configuration file for GRUB? (Please specify the file name with no
path information).

An administrator wants the default permissions for their files to be -rw-r—–. How must the
administrator set umask?

CORRECT TEXT

An administrator decides to use xinetd instead of inetd. Now, the administrator needs to transfer
information from /etc/inetd.conf to another file. What file must be created or edited? (Please

specify the full path).

CORRECT TEXT

What word will complete an if statement in bash such as the following: if [ -x “$file” ]; then echo
$file _____ (Please provide the missing word only).

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” Please provide the missing string.

An administrator is writing text in vi. Now the administrator wants to save their changes and exit.
Which of the following sequence of inputs will accomplish this? (Select TWO).

While editing a file in vi, an administrator realizes that the wrong file is being changed. Which of
the following vi command sequences will allow the administrator to quit without saving any
changes?

In the following command and its output, echo $$ 12942 which of the following is 12942?

In the command foo < bar | foobar, which of the following statements is correct?