Difference between vSphere 4.1 5.0, 5.1, 5.5 and vSphere 6.0

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Part - 1 : Windows Administrator: L1: Interview question & Answer for AD, DNS, DHCP, WINS & DFS

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Active Directory Active Directory is a centralized and standardized system, stores information about objects in a network and makes this information available to users and network administrators. Domain Controller In an Active Directory forest, the domain controller is a server that contains a writable copy of the Active Directory database, participates in Active Directory replication, and controls access to network resources. Global catalog server A global catalog server is a domain controller that stores information about all objects in the forest. Like all domain controllers, a global catalog server stores full, writable replicas of the schema and configuration directory partitions and a full, writable replica of the domain directory partition for the domain that it is hosting. In addition, a global catalog server stores a partial, read-only replica of every other domain in th e forest. Partial replicas are stored on Global Catalog servers so that searches of the e
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