Faustino Is the System Administrator at an Organization That Has

Faustino is the system administrator at an organization that has offices in multiple locations. The domain controllers in each location are within location-specific sites to improve Active Directory replication. Faustino notices performance issues in the Active Directory replication across sites. Which of the following measures can Faustino use to improve the performance?

A) He can restrict the number of domain controllers to one per site.
B) He can increase the number of domain controllers to spread the replication load.
C) He change the bridgehead server to one with a faster network interface.
D) He can use SMTP instead of IP to improve performance.