Note that polling and pull replication, rather than notification and push replication, are used between bridgehead servers during intersite replication. Pull replication is more efficient for intersite replication because the destination domain controller knows which replication data to request. In contrast, notification and push replication are more efficient for intrasite replication, when domain controllers are well connected and not restrained by site link schedules.
Lesson Review
The following questions are intended to reinforce key information presented in this lesson. If you are unable to answer a question, review the lesson and then try the question again. Answers to the questions can be found in the "Questions and Answers" section at the end of this chapter.
1. What is a site?
2. Which directory partition replica type must be replicated to all domain controllers within the domain?
3. Which type of replication compresses data to save WAN bandwidth?
4. What is the difference between a site link and a connection object?
5. Which of the following actions does not trigger replication?
a. Accessing an object
b. Creating an object
c. Deleting an object
d. Modifying an object
e. Moving an object
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