MCTS Windows Server® 2008 Active Directory Configuration: Study Guide

4.6. Exam Essentials

Understand the reasons for using multiple domains.

There are seven primary reasons for using multiple domains: they provide additional scalability, they reduce replication traffic, they help with political and organizational issues, they provide many levels of hierarchy, they allow for decentralized administration, legality, and they allow for multiple DNS or domain names.

Understand the drawbacks of using multiple domains.

With multiple domains, maintaining administrative consistency is more difficult. The number of administrative units multiplies as well, which makes it difficult to keep track of network resources. Finally, it is much more difficult to rearrange the domain topology within an Active Directory environment ...