Knowledge Blog

What is Active Directory? Active directory is a directory service which contains information of all user accounts and shared resources on a network. Active directory is a centralized Hierarchical Directory Database. Purpose of Active Directory Provides user logon and authentication services using Kerberos protocol. To centralize and decentralize the resource management. To centrally organize and manage: User accounts, computers, Groups, Network Resources. Enables authorized users to easily locate network resources. Structure of Active Directory Logical Structure •        Domain •        Tree •        Parent/root •        Child/branch •        Forest Physical Structure •        Domain   Controllers •        Sites ...

TOPOLOGY Arrangement of devices We are having two types of topologies. They are 1) Physical topology 2) Logical topology Physical Topology It means physical arrangement of devices. We are having five types of physical topologies. They are •        Bus topology •        Ring topology •        Star topology •        Tree topology •        Mesh topology Logical Topology Logical arrangement of devices. We are having two models in logical topologies. They are •        Workgroup model or peer to peer Model •        Domain Model or client server model. Workgroup Model or Peer-Peer Model If you install any Operating System (client os/Server os). By default all the computers belongs to workgroup model. Work group mod...