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Definition
| transmits changes to to the Active Directory database almost as soon as they occur |
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| occurs on a scheduled basis every 15 min by default |
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| network infrastructure between the sites and IP subnets are fast and reliable |
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| all writeable domain controllers in a domain should communicate Active Directory information to each other, in addition to communicating forest wide informations with other domains |
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| Update Sequence Number (USN) |
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Definition
| keeps track of changes that are made at the DC and thus keeps track of which updates should be replicated to other domain controllers |
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Definition
| keeps track of how many times that attribute has been changed |
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Definition
| the time when the modification took place |
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Definition
| it is used in each site to act as a gatekeeper in managing site to site replication |
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Definition
| describes the amount of time that it takes for this process to take place so that all domain controllers in the environment contain the most up to date information |
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Definition
| the KCC selects one or more of these for each domain controller in this site |
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Definition
| It is created from the replication partners and is created to be between the DC and the replication partners |
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| linked value replication (LVR) |
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Definition
| Allows you to replicate each member on the list not the entire membership list |
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| dual counter rotating ring |
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Definition
| if one dc in the ring fails traffic is routed in the opposite direction to allow replication to continue |
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Definition
| to inform one another when changes need to be replicated |
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Definition
| change will be placed at the beginning of the line and will be applied before any other changes that are waiting to be replicated |
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Definition
| logical transitive connection between two sites that mirrors the routed connections between networks and allows replication to occur |
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Term
| Intersite Topology Generator (ISTG) |
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Definition
| process that is responsible for selecting a bridgehead server and mapping the topology to be used for replication between sites |
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Definition
| allows the administrator to define the path that replication will take |
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Definition
| Determines when the link is available to replicate information |
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Definition
| determines how often information will be replicated over a particular site link |
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| Remote Procedure Calls over Internet Protocol (RPC over IP) |
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Definition
| keeps data secure while in transit by using both authentication and encryption |
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| Simple Mail Transfer Protocol (SMTP) |
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Definition
| alternative solution for intersite replication when a direct or reliable IP connection is not avaliable |
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Term
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Definition
| each replication does not need to complete before another can start because the transaction can be stored until the destination server is avaliable |
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| preffered bridgehead server |
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Definition
| you can determine which servers have the best processing power and avaliable network bandwidth for handling replication traffic |
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Definition
| defines a chain site links by whic DC's from different sites can communicate |
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Definition
| DC in any site link can connect to any other DC in any other site by navigating a chain of site links |
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