Organizational Units –

Organizational Units are often referred to as OU. Organizational Units are Active Directory containers that generally contain user groups, Computers, and other OU. OU represents your computer organization in a hierarchically and logically way.OU is used to manage a collection of the object in a consistent way. Organizational Units are being bound to delegate the permissions to the Administrator Group of Object. Lastly, Organizational units apply policy/rules all over the structure.

Trusts –

In layman language with regards to Active Directory, Trust can be defined as access between the resources in order to gain permission/access to resources in another domain. Trust in Active Directory are generally of two types i.e Directional Trust and Transitive Trust. 1. Directional Trust: The Trust Direction that flows from the Trusting domain to the Trusted domain. Consider the below diagram for better understanding. 2. Transitive: The Trust relationship is extended beyond a true domain trust to include other trusted domains. Consider the below diagram for better understanding.

Notes : 1. All domains in the forest trust all other domains in the forest. 2. Trust can be extended outside the forest.

Active Directory is a service from Microsoft which are being used to manage the services run by the Windows Server, in order to provide permissions and access to network resources. Active Directory is used by over 90% of the Fortune Companies in order to manage the resources efficiently. Active Directory is just like a phone book where we treat information as objects. In Active Directory we have objects like Computers, Users, Printers, etc. Following are some of the components of Active Directory –