need 1 amp 2 in different docs please apa and reference and citations

1)400 words
What happens when we place the authentication system in our demilitarized zone (DMZ)—that is, in the layer closest to the Internet? What do we have to do to protect the authentication system? Does this placement facilitate authentication in some way? How about if we move the authentication system to a tier behind the DMZ, thus, a more trusted zone? What are the implications of doing so for authentication performance? For security?
2)600 words
Briefly respond to all the following questions. Make sure to explain and backup your responses with facts and examples. This assignment should be in APA format and have to include at least two references.
System architecture is the descriptive representation of the system’s component functions and the communication flows between those components.
My definition immediately raises some important questions.
• What are “components”?
• Which functions are relevant?
• What is a communication flow?
 
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