A Linux administrator has installed a web application firewall in front of a web server running on HTTP port 8080 and successfully started the HTTP server. However, after opening the application URL in an Internet browser, the administrator discovered that the application does not work. The administrator performed the following diagnostic steps:
Output of sysctl -a command:

Output of iptables -L command:

Output of netstat -nltop | grep "8080":

Which of the following is the NEXT step the administrator should perform to permanently fix the issue at the kernel level?

A Linux administrator wants to include a standard, hash_profile file whenever a new local user is created on Linux server. Which of the following is the BEST location to place the file?

A systems administrator wants to install a new application that requires the newmod kernel module. Which of
the following commands should the systems administrator use?

A junior systems administrator is tasked with providing the network_administrators group the ability to perform sudo without prompting for a password. Which of the following steps should the administrator perform to accomplish this task? (Choose two.)

A Linux administrator has installed a web application firewall in front of a web server running on HTTP port
8080 and successfully started the HTTP server. However, after opening the application URL in an Internet browser, the administrator discovered that the application does not work. The administrator performed the following diagnostic steps:
Output of sysctl -acommand:

Output of iptables -Lcommand:

Output of netstat -nltop | grep "8080":

Which of the following is the NEXT step the administrator should perform to permanently fix the issue at the kernel level?