Network security and firewalls.

In the chapter, we learned about the types and uses of firewalls.  What are the different types of firewalls? In which circumstances would you use which? Is there ever a circumstance where a firewall may not be appropriate at all? Title this case “Network security and firewalls.”
Requirements:

Create a Word document – do not type your response into the Submission Text box.
Include an APA formatted title page and references page and double-space your work.