Discuss the best practices in managing changes to windows systems

The objective of this is to look into the importance of security administration in an organization. Also, look at the components of the security policies as well as how to deploy controls that ensure compliances with the organizational security policies. After reading Chapter 10, your task is to discuss DQ1 and DQ2 respectively.

DQ1. Discuss the best practices in managing changes to windows systems and applications, and relate it to Deming Cycle.

DQ2. Discuss the security administration's task and state reasons why is very important to an organization. 

Note: All discussions must adhere to APA 6th edition format.Please, post atleast 250 words for the two discussions. Please, don't forget to create an in-text citation before referencing any article.