A systems administrator is required to allow only SSH access to the Linux servers from the 192.168.1.0/24 network. Which of the following iptables rules would accomplish this requirement?

A Linux administrator rs creating a VM to install a third-party tool for scanning me network. The vendor hat provided an OVA file for installing the software.
Which of the foiowing BEST descnoes the OVA file?

An administrator has modified the configuration file for a service. The service is still running but is not using the new configured values. Which of the following will BEST remediate this issue?

Joe, a user, creates a short shell script, shortscript.sh, and saves it in his home directory with default permissions and paths. He then attempts to run the script by typing ./shortscript.sh, but the command fails to execute.
Which of the following commands would have allowed the script to run?

Which of the following configuration files should be modified to disable Ctrl-Alt-Del in Linux?