Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
Check out this site:
http://classroom.synonym.com/differences-between-apa-mla-writing-styles-1316.html
In conclusion MLA is usually for writing while APA is for writing about geographic things which did more depth.