WK10 07092021

NOTE: **** post answers in separate documents for each Question
      **** Please follow the instructions to the point and pick relavant topics according to the subject
      **** Follow APA7 format
Subject: Introduction to Data mining 

Question 1:300+  (APA format & latest scholarly journal article references 2016 on words)
Define the Clustering in Data Mining and explain some of the Characteristics of Clustering

Question 2: 1000+ (APA format & latest scholarly journal article references 2016 on words)
After reviewing the case study this week by Krizanic (2020), answer the following.
250+ words per question
1. What is the definition of data mining that the author mentions?  How is this different from our current understanding of data mining?
2. What is the premise of the use case and findings?
3. What type of tools are used in the data mining aspect of the use case and how are they used?
4. Were the tools used appropriate for the use case?  Why or why not?
Križani_, S. (2020). Educational data mining using cluster analysis and decision tree technique: A case study. International Journal of Engineering Business Management, 12, 184797902090867–.

Subject: Security Architecture and Design 
Question 3: 400+ word (APA format & latest scholarly journal article references 2016 on 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?

Question 4: 600+ word  (APA format & latest scholarly journal article references 2016 on words)
Briefly respond to all the following. Make sure to explain and backup your responses with facts and examples. 
“The 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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