the Domain is called as the security boundary with in the active directory.
A Windows domain is a logical group of computers running versions of the Microsoft Windows operating system that share a central directory database.
domain governs the way user access resources of the network
the Domain is called as the security boundary with in the active directory. A Windows domain is a logical group of computers running versions of the Microsoft Windows operating system that share a central directory database. domain governs the way user access resources of the network
The GLobal Catalogue has a reference to all objects within Active Directory. Its is know as GC
Active Directory will represent a major advance over NT 4.0's simple domain model, since the domains within Active Directory will be able to form a multi-level tree structure.Users will be able to establish two-way transitive trust relationships among these domains. Lower-level domains trust all the higher-level domains within the hierarchical tree. This arrangement will make trust relationships easier to manage and will make possible the delegation of administrative authority from higher to lower levels within the tree.Active Directory will bear on security in two ways.First, Active Directory will be the repository for security policy information for the enterprise. For example, Active Directory will be able to store domain-wide password restrictions and system access privileges.Second, Active Directory will incorporate the object-based security model, controlling each user or group's right to read or update objects within the directory. The directory will therefore be able to hold such important items as encrypted passwords and user certificates with the assurance that only authorized users will be able to read or change them.
Active Directory organizes multiple domains hierarchically in a forest. A forest is the top-level structure in Active Directory that contains multiple domains. Each domain within a forest has its own security policies and trust relationships with other domains in the forest.
Tombstone
The rules and definitions for creating and modifying object classes and attributes within Active Directory are contained in the Active Directory Schema. The schema defines the types of objects (such as users, groups, and computers) and their attributes, as well as the relationships between them. It can be modified using tools like Active Directory Schema snap-in or Windows PowerShell, allowing administrators to customize the directory according to organizational needs. Changes to the schema are critical as they affect how data is stored and accessed within Active Directory.
Metadata in Active Directory refers to data that describes the properties and characteristics of objects within the directory, such as users, groups, and computers. This includes attributes like user names, security identifiers (SIDs), and permissions, as well as schema information that defines the structure of the data. Metadata is essential for the functioning of Active Directory, enabling efficient organization, retrieval, and management of directory objects. It also plays a crucial role in replication and consistency across domain controllers.
Security Identifier (SID) and Domain Name (DN) (p. 86)
a domain as "a single security boundary of a Windows NT-based computer network. Active Directory is made up of one or more domains. On a standalone workstation, the domain is the computer itself. A domain can span more than one physical location. Every domain has its own security policies and security relationships with other domains. When multiple domains are connected by trust relationships and share a common schema, configuration, and global catalog, they constitute a domain tree. Multiple domain trees can be connected together to create a forest." Domain A Windows domain is a collection of security principals that share a central directory database. This central database (known as Active Directory starting with Windows 2000,[1] Active Directory Domain Services in Windows Server 2008 and Server 2008 R2, also referred to as NT Directory Services on Windows NT operating systems, or NTDS) contains the user accounts and security information for the resources in that domain. Each person who uses computers within a domain receives his or her own unique account, or user name. This account can then be assigned access to resources within the domain. In a domain, the directory resides on computers that are configured as "domain controllers." A domain controller is a server that manages all security-related aspects between user and domain interactions, centralizing security and administration. A Windows Server domain is generally suited for businesses and/or organizations when more than 10 PCs are in use.
Security Identifier (SID) and Domain Name (DN) (p. 86)
The Active Directory Schema defines the types of user,printer objects to be created in the domain
An Active Directory Integrated Zone (AD Integrated Zone) is a type of DNS zone that is stored within Active Directory rather than in standard DNS files. This integration allows for enhanced security, redundancy, and dynamic updates, as the zone data is replicated across all domain controllers in the Active Directory environment. It also enables better management of DNS records through the use of Active Directory permissions, allowing for more granular control over who can modify DNS entries. Overall, AD Integrated Zones streamline DNS management in a Windows server environment.