You need to ensure that domain controllers only replicate between domain controllers in adjacent  sites.   What should you configure from Active Directory Sites and Services（）

• A、From the IP properties， select Ignore all schedules.
• B、From the IP properties， select Disable site link bridging.
• C、From the NTDS Settings object， manually configure the Active Directory Domain Services connection  objects.
• D、From the properties of the NTDS Site Settings object， configure the Inter-Site Topology Generator for  each site.