Response to authors on the subject (adding to concepts discussed not remarks on their writing)

Q.  Discuss the current methodologies used to secure wired or wireless networks via current Firewall technologies and the potential exposures that currently exist  

Need responses to posts that answered this question. APA style 150 words for each of the 4 responses.  Make sure there is no plagiarism 
Urgent-need in 24 hours. Bid only if you can commit deadline