Lesson_1_Install_and_Configure_Domain_Controllers (5) - Lesson 1 Install and Configure Domain Controllers 6:36 PM Understanding Active Directory A

Lesson_1_Install_and_Configure_Domain_Controllers (5) -...

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A directory servicestores, organizes, and provides access in a directory.Directory services are used for locating, managing, administering, and organizing common items and network resources, such as volumes, folders, files, printers, users, groups, devices, policies, and other objects.One popular directory service used by many organizations, particularly those with Windows machines, is Microsoft Active Directory.Stores information about the identities of users, computers, and servicesDoes the user exist? Is their password correct?Provides authenticationfor users and computersIs the user authorized to access this resource?Provides authorizationfor users and computers to access network resourcesActive Directory Domain Services (AD DS) is the Microsoft directory service that does the following:Active Directory is Microsoft's adaptation of LDAP, however it also supports LDAP by itself to be compatible with third party systems using the common protocol.The Lightweight Directory Access Protocol (LDAP) is an application protocol for querying and modifying data using directory services running over TCP/IP.Kerberosis a computer network authentication protocol, which allows hosts to prove their identity over a non-secure network in a secure manner.Single Sign-On (SSO) allows you to log on once and access multiple related but independent software systems without having to log on again.Organizational units (OUs): Containers in a domain that allow you to organize and group resources for easier administration, including providing and delegating administrative rights.Domains: Administrative boundaries for users and computers that are stored in a common directory database.The root domain by itself can also be considered as the domain tree.Domain trees: Collections of domains that are grouped together in hierarchical structures and that share a common root domain.Forests: Collections of domain trees that share a common AD DS.The logical components (which administrators create, organize, and manage) include:All domain controllers in a domain receive changes and replicate those changes to the domain partition stored on all other domain controllers I the domain. As a result, all domain controllers are peers in the domain and manage replication as a unit.Domain Controllers:The servers that contain the Active Directory databases. A domain partition stores only the information about objects located in that domain.Site: A group of IP subnets that are connected at high speed.The physicalcomponents that make up Active Directory include the following:Active Directory Users and Groupsis an application used to manage users, groups, computers, and organization units. In contrast,

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