Which components are typically used to optimize replication and logon traffic in Active Directory's physical structure?

Which components are typically used to optimize replication and logon traffic in Active Directory's physical structure?

• A. Domains and Forests
• B. Sites and Subnets
• C. Group Policy Objects
• D. Organizational Units

Answer: (B)

Optimizing replication and logon traffic comes from shaping the physical topology of the directory with Sites and Subnets. A Site represents a set of subnets where DCs are well connected, so authentication requests are handled locally and WAN usage is minimized. Subnets map IP address ranges to these sites, ensuring clients automatically locate the closest domain controller, which speeds up logons. Replication between sites is then controlled by site topology, including how site-links and costs are configured to move replication traffic efficiently and during appropriate windows. Domains and Forests define logical boundaries and trust relationships, not the physical pathways for traffic. Group Policy Objects and Organizational Units manage policy application and delegation, but they don’t govern how replication or logon traffic is routed across the network.

Optimizing replication and logon traffic comes from shaping the physical topology of the directory with Sites and Subnets. A Site represents a set of subnets where DCs are well connected, so authentication requests are handled locally and WAN usage is minimized. Subnets map IP address ranges to these sites, ensuring clients automatically locate the closest domain controller, which speeds up logons. Replication between sites is then controlled by site topology, including how site-links and costs are configured to move replication traffic efficiently and during appropriate windows.

Domains and Forests define logical boundaries and trust relationships, not the physical pathways for traffic. Group Policy Objects and Organizational Units manage policy application and delegation, but they don’t govern how replication or logon traffic is routed across the network.