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What is the difference between catalog schema and database in SQL Server?
A catalog is simple a group of related schema collected together in a defined namespace. While schema is a group of one or more related object collected in a common namespace.
Difference between catalog and schema?
A catalog is a set of tables which contains the definitions or descriptions of the database structure and its constraints. For example it could store the structure of each file +Type and Format of each data item stored in the file. A catalog is a type of schema and a schema is what defines a data elements and their interrelationships.
What naming contexts are replicated across an entire active directory forest?
Active Directory NC (Naming Context's)Active Directory consists of three partitions or naming contexts (NC) Domain, Configuration and Schema Naming ContextsEach are replicated independentlyAn Active Directory forest has single schema and configuration Every domain controller (DC) holds a copy of each (schema, configuration NC's)Forest can have multiple domains Every domain controller in a domain holds a copy of the domain NC
What structure stores the entire forest's schema and configuration information?
The root domain
What are directory partitions?
Configuration Contains the Configuration container, which stores configuration objects for the entire forest in cn=configuration,dc= forestRootDomain . Updates to this container are replicated to all domain controllers in the forest. Configuration objects store information about sites, services, and directory partitions. You can view the contents of the Configuration container by using ADSI Edit.Schema Contains the Schema container, which stores class and attribute definitions for all existing and possible Active Directory objects in cn=schema,cn=configuration,dc= forestRootDomain . Updates to this container are replicated to all domain controllers in the forest. You can view the contents of the Schema container in the Active Directory Schema console.Domain Contains a < domain > container (for example, the abc.com container), which stores users, computers, groups, and other objects for a specific Windows 2000 domain (for example, the abc.com domain). Updates to the < domain> container are replicated to only domain controllers within the domain and to Global Catalog servers if the update is made to an attribute that is marked for replication to the Global Catalog. The < domain > container is displayed in the Active Directory Users and Computers console. The hierarchy of domain directory partitions can be viewed in the Active Directory Domains and Trusts console, where trust relationships between domains can be managed.Each directory partition is a contiguous portion of the directory tree, and each one starts at a single point (the directory partition head ) and spreads to either leaf nodes (for the schema and configuration directory partitions) or to the heads of other directory partitions below it (for domain directory partitions). Each directory partition, therefore, has exactly one directory partition immediately above it in the tree (except for a tree root domain directory partition, which has only the rootDSE above it) and possibly more directory partitions immediately below it
Which naming context contains forest wide data about the physical topology of an active directory forest?
Active Directory NC (Naming Context's)Active Directory consists of three partitions or naming contexts (NC) Domain, Configuration and Schema Naming ContextsEach are replicated independentlyAn Active Directory forest has single schema and configuration Every domain controller (DC) holds a copy of each (schema, configuration NC's)Forest can have multiple domains Every domain controller in a domain holds a copy of the domain NC
Which naming context are replicated across an entire Active Directory forest?
The Schema and Configuration partition
What is forest in computer network?
A forest is a collection of multiple trees that share a common global catalog, directory schema, logical structure, and directory configuration. Forest has automatic two-way transitive trust relationships. The very first domain you create in the forest is called the forest root domain. Forests allow organizations to group their divisions which use different naming scheme, and may need to operate independently. But as an organization they want to communicate with the entire organization via transitive trusts, and share the same schema and configuration container.
What is Active directory Naming Context?
Active Directory NC (Naming Context's) * Active Directory consists of three partitions or naming contexts (NC) ** Domain, Configuration and Schema Naming Contexts * Each are replicated independently * An Active Directory forest has single schema and configuration ** Every domain controller (DC) holds a copy of each (schema, configuration NC's) * Forest can have multiple domains ** Every domain controller in a domain holds a copy of the domain NC
What is Active Directory configuration partition?
The Active Directory configuration partition is a critical component of the Active Directory architecture that stores configuration data for the directory service itself. It contains information about the Active Directory forest, including the schema, replication topology, and services available within the forest. This partition is replicated across all domain controllers in the forest, ensuring that every controller has consistent configuration information. It plays a key role in enabling the functionality and management of Active Directory environments.
Difference between Schema Master and Global Catalog?
global catalog The global catalog contains a complete replica of all objects in Active Directory for its Host domain, and contains a partial replica of all objects in Active Directory for every other domain in the forest. The global catalog is a distributed data repository that contains a searchable, partial representation of every object in every domain in a multidomain Active Directory forest. The global catalog is stored on domain controllers that have been designated as global catalog servers and is distributed through multimaster replication. Searches that are directed to the global catalog are faster because they do not involve referrals to different domain controllers. In addition to configuration and schema directory partition replicas, every domain controller in a Windows 2000 Server or Windows Server 2003 forest stores a full, writable replica of a single domain directory partition. Therefore, a domain controller can locate only the objects in its domain. Locating an object in a different domain would require the user or application to provide the domain of the requested object. The global catalog provides the ability to locate objects from any domain without having to know the domain name. A global catalog server is a domain controller that, in addition to its full, writable domain directory partition replica, also stores a partial, read-only replica of all other domain directory partitions in the forest. The additional domain directory partitions are partial because only a limited set of attributes is included for each object. By including only the attributes that are most used for searching, every object in every domain in even the largest forest can be represented in the database of a single global catalog server. schema All databases have a schema which is a formal definition (set of rules) which govern the database structure and types of objects and attributes which can be contained in the database. The schema contains a list of all classes and attributes in the forest. The schema keeps track of: * Classes * Class attributes * Class relationships such as subclasses (Child classes that inherit attributes from the super class) and super classes (Parent classes). * Object relationships such as what objects are contained by other objects or what objects contain other objects. There is a class Schema object for each class in the Active Directory database. For each object attribute in the database, there is an attributeSchema object. Schem Master is A FSMO role held by single DC in forest
What naming context is replicated across the domain?
Schema naming context and configuration naming context is replicated across domain in the forest
