What is Windows Domain?
Domain is a logical group of network objects (computers,
users, devices) that share the same Active Directory database.
Domain is logical group of computers that share the same active directory database.
Allows administrators to manage large computer networks
A Windows Domain is a logical grouping of computers
that share common security and user account information. The Domain is
used to manage access to a set of network resources for a group of users
(applications, printers, etc.). This information is stored in a master
directory database which resides on a single Windows server on a
network.
What is Domain controller?
A domain controller is a server that responds to authentication requests
and verifies users on computer networks. Domains are a hierarchical way
of organizing users and computers that work together on the same
network. The domain controller keeps all of that data organized and
secured.
Domain controller Responds to security authentication request
Active Directory is a set of services, that are provided by Domain Controllers.
What is Tree?
A group of domain is called tree and sharing a contiguous name space.
What is forest?
A group of tree is called forest and does not sharing a contiguous name space. but sharing a common configuration(Schema)
What is Site?
Site is a geographical area where all the domains are available. site manages the replication traffic between two or more different sites in the network.
What is Global Catalog?
Global Catalog in order for users to find resources in any domain in the
forest Domain
Controllers can be made into Global Catalog Servers. A Global Catalog
Server contains partial information about every object in the forest.
Using this information, the user can conduct searches.(remember that each domain has a separate database).
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