Active Directory is a special-purpose database, however, it is not a registry replacement which many mistaken it as. It is designed to handle a big number of read and search options, and a small number of changes and updates. Active Directory data is hierarchical, replicated and extensible. As it is being replicated, the user does not need to store any data, or CPU performance. Examples of data stored in the directory includes printer queue data, user contact data and network & computer configuration data. The Active Directory database includes objects and attributes. They are stored inside the schema.
Active directory has three partitions : domain, schema and configuration. The domain partition contains users, groups, contacts, organizational units etc. As active directory is extensible, classes or attributes can be added.
The figure below shows the Active Directory domain partition
Some examples of the Active Directory Feature include:
- Object-oriented storage organization allowing easier access to information
- Support for the X.500 standard for global directories
- Specially designed to be both forward and backward compatible
- Capability for network operation and extensions to the web
- Single point access system administration provided by the hierarchical organization to reduce redundancy and errors.
- Supports Lightweight Directory Access Protocol (LDAP) to enable inter-directory operability.
Reference
I have read through your post and it seems easy to understand because of the consistency and the information. Actually but if you mention more about the detail of security features, it would be more better. However, the information you post is enough to get the knowledge of Active Directory. :)
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