Exploring a Multiple-Tree Domain Real-World Design Example

To gain a greater understanding of the times an organization might use this particular design model, examine the following AD structure. CityA is a local county governmental organization with a loose-knit network of semi-independent city offices such as the police and fire departments that are spread out around the city. Each department currently uses a DNS namespace for name resolution to all hosts and user accounts local to itself, which provides different email addresses for users located in the fire department, police department, and other branches. The following namespaces are used within the city’s infrastructure:

citya.org

firedeptcitya.org

policeofcitya.org

cityalibrary.org ...

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