After successfully creating a hard link called bar to the ordinary file foo, foo is deleted from the filesystem.
Which of the following describes the resulting situation?

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

Which of the following are valid stream redirection operators within Bash? (Choose THREE correct answers.)

Which configuration file would be edited to change the default options for outbound SSH sessions?

SIMULATION
The presence of what file will temporarily prevent all users except root from logging into the system? (Specify
the full name of the file, including path.)

SIMULATION
With X11 forwarding in ssh, what environment variable is automatically set in the remote host shell that is not
set when X11 forwarding is not enabled? (Specify only the environment variable without any additional
commands or values.)

SIMULATION
What argument to the -type option of find will match files that are symbolic links? (Specify only the argument
and no other options or words.)

SIMULATION
In an xinetd configuration file, which attribute specifies the network address that will be used to provide the
service?

SIMULATION
Which keyword must be listed in the hosts option of the Name Service Switch configuration file in order to make
host lookups consult the /etc/hosts file?

Which of the following commands can be used to determine how long the system has been running? (Choose
TWO correct answers.)