25. Explain the purpose of Active Directory (AD), the name of the server active directory resides on, its naming schema and organizational structure, how it is implemented by organizations, and the relationship between AD and LDAP.

26. Explain what a hash value is, how it is used in information security with at least three examples, and why it is considered to be a highly unique.

27. What is an indicator of compromise (IOC)? Provide at least four examples of different kinds of actionable indicators of compromise and explain how they are implemented by enterprise cyber security teams. Note: Much like in the discussion board posting, I am not looking for behavioral indicators.