70-215 QOTD 10/06/2004

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The ring topology within a Windows 2000 site is generated by which of the following technologies or components?

A) KCC

B) FRS

C) Dfs

D) Kerberos

E) KET

 

Sorry about the delay folks but I've been away for a couple of days

Correct answer is: A

Explanation: Within a site, a process called the Knowledge Consistency Checker (KCC) generates a ring topology for replication among domain controllers in the same domain. The generated topology defines paths for directory updates to flow from one domain controller to another until all domain controllers have received the directory updates.
This ring structure guarantees that there are at least two replication paths from one domain controller to another, ensuring that if one domain controller is temporarily down, replication will continue to all other domain controllers. In addition, the ring structure is created such that an update takes, at most, three "hops" from the domain controller where it originates to any other domain controller in the site.