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What are the components that form the AD?
The AD components helps a Network Administrator in executing various jobs i.e. authorizing the users, certifying the users, network management, etc. The AD components can be classified into two types, resources and security enforcements. Every AD component functions independently and haves its own utility.
Forests: The forest resides at the very top level in AD hierarchy. It encapsulates all the attributes and syntax.
Domain (DNS): DNS is the sum total of computer objects linked through policies, users and member databases. The DNS plays a major role in holding the AD database. It creates a copy of every server based activity.
Organizational Units (OU): The Organizational units are combination of various domains. By grouping all the domains and providing a hierarchy for them it makes the network operations easy. An OU also segregates the domains for easy classification. It is also known as holder as it holds the domains. By using the Organizational Units a Network Administrator can deploy administrative and user policies.
Sites: Sites are actually the physical groups defined by IP subnets. This component helps a Network Administrator in identifying the areas of high and low connectivity. Sites help in regulating network traffic and linking clients with DC.
The Active Directory made up of several components that together provide directory services to directory clients. These components include the following:
