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Lesson 1

Introduction to the physical structure of Active Directory

The physical structure of Active Directory refers to the use of sites and location of domain controllers, which are used to manage network traffic and conserve bandwidth.
The way you structure Active Directory physically determines where and when logon authentication traffic and directory replication traffic will occur. This can have a profound effect on the performance of the network. As you know, the physical structure is completely separate from the logical structure of the directory, which consists of domains, trees, and forests organized on your network.
By the end of this module, you will be able to:
  1. Define sites and site links
  2. List reasons for creating Active Directory sites
  3. Recognize the effect of replication traffic on a slow link
  4. Define the relationship between sites and subnets
  5. Define the replication components and the purpose of each
  6. List two ways to create connection objects
  7. Define the difference between intrasite and intersite replication
  8. List the characteristics of site link costs
  9. Monitor replication traffic
In the next lesson, we will start by discussing replication and the physical structure of Active Directory.

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