Microsoft has developed the active directory domain structure so that a central authority, called the is the repository for all domain security records.

An active direct identifies and provides the enabled administrators for connecting to the windows-based It resources.  It helps the IT department to manage and secure the windows based system and apps.

Hence the answer is a domain controller.

Learn more about the Active Directory Domain structure so.

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Domain Controller

Explanation:

Microsoft has developed the Active Directory Domain structure so that a central authority, called the domain controller, is the repository for all domain security records.