Do external trust domains replicate between themselves

Do external trust domains replicate between themselves
What about child domain and parent domains? Do they replicate between themselves?

If they do, I'm assuming I'd see the servers listed under the Sites and Services snap in?

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Yes, they replicate some info with each other. In the case of child and parent domains they replicate some info to the GC with hold some info about all domains in the forest. However, if you need more info please find the llink below: 

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dissolvedAuthor Commented:
2 main differences I see with win2k server and win2003 server.

When you join two domain trees together to create a forest, you can have transitive trust now. Instead of just "external" trust like in win2k

There are "trust shortcuts" now. Meaning, you can make child domains from different forests trust each other. This way, it reduces the hop count (child domains do not have to travel through their parent to reach other forest's child domain).

Is this correct?
Great article thanks
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Windows 2000

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