DNS zone replication method that sends only the updated records to the secondary DNS zones.
inheritance
Group policy settings that are applied to users and computers in lower-level containers.
internal DNS root
A DNS zone for an organization that becomes the highest entity within the DNS namespace.
Intersite Topology Generator (ISTG)
A function of the Knowledge Consistency Checker that generates the replication paths for Active Directory replication between sites.
isolated administration model
Administration term that is used to identify that the administrative staff has control over resources and no other administrative staff has access to those resources.