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Active Directory Chapter 3
Chapter 3
27
Computer Networking
Undergraduate 2
06/06/2012

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Cards

Term
Intrasite replication
Definition
transmits changes to to the Active Directory database almost as soon as they occur
Term
intersite replication
Definition
occurs on a scheduled basis every 15 min by default
Term
well-connected
Definition
network infrastructure between the sites and IP subnets are fast and reliable
Term
Replication topology
Definition
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
Term
Update Sequence Number (USN)
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
Term
Version ID
Definition
keeps track of how many times that attribute has been changed
Term
time-stamp
Definition
the time when the modification took place
Term
bridgehead server
Definition
it is used in each site to act as a gatekeeper in managing site to site replication
Term
convergence
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
Term
replication partners
Definition
the KCC selects one or more of these for each domain controller in this site
Term
connection objects
Definition
It is created from the replication partners and is created to be between the DC and the replication partners
Term
linked value replication (LVR)
Definition
Allows you to replicate each member on the list not the entire membership list
Term
dual counter rotating ring
Definition
if one dc in the ring fails traffic is routed in the opposite direction to allow replication to continue
Term
change notification
Definition
to inform one another when changes need to be replicated
Term
urgent replication
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
Term
site link
Definition
logical transitive connection between two sites that mirrors the routed connections between networks and allows replication to occur
Term
Intersite Topology Generator (ISTG)
Definition
process that is responsible for selecting a bridgehead server and mapping the topology to be used for replication between sites
Term
Cost
Definition
allows the administrator to define the path that replication will take
Term
Schedule
Definition
Determines when the link is available to replicate information
Term
Frequency
Definition
determines how often information will be replicated over a particular site link
Term
Remote Procedure Calls over Internet Protocol (RPC over IP)
Definition
keeps data secure while in transit by using both authentication and encryption
Term
Simple Mail Transfer Protocol (SMTP)
Definition
alternative solution for intersite replication when a direct or reliable IP connection is not avaliable
Term
asynchronous replication
Definition
each replication does not need to complete before another can start because the transaction can be stored until the destination server is avaliable
Term
preffered bridgehead server
Definition
you can determine which servers have the best processing power and avaliable network bandwidth for handling replication traffic
Term
site link bridge
Definition
defines a chain site links by whic DC's from different sites can communicate
Term
transitive
Definition
DC in any site link can connect to any other DC in any other site by navigating a chain of site links
Term
Repadmin
Definition
Command line tool
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