1. CAS (Central ADMINISTRATION site):- The central administration site coordinates inter site data replication across the hierarchy by using Configuration Manager Database replication. It also enables the administration of hierarchy-wide configurations for client agents, discovery, and other operations. Use this site for all administration and reporting for the hierarchy.
2. Primary Site: Manages clients in well-connected NETWORKS.
3. Secondary site: Controls CONTENT distribution for clients in remote locations across LINKS that have limited network bandwidth.

1. CAS (Central administration site):- The central administration site coordinates inter site data replication across the hierarchy by using Configuration Manager Database replication. It also enables the administration of hierarchy-wide configurations for client agents, discovery, and other operations. Use this site for all administration and reporting for the hierarchy.
2. Primary Site: Manages clients in well-connected networks.
3. Secondary site: Controls content distribution for clients in remote locations across links that have limited network bandwidth.