You have an existing Active Directory site named Site1. You create a new Active Directory site and  name it Site2.   You need to configure Active Directory replication between Site1 and Site2. You install a new domain  controller. You create the site link between Site1 and Site2.  What should you do next（）

Use the Active Directory Sites and Services console to configure a new site link bridge object.

Use the Active Directory Sites and Services console to decrease the site link cost between Site1 and  Site2.

Use the Active Directory Sites and Services console to assign a new IP subnet to Site2. Move the new  domain controller object to Site2.

Use the Active Directory Sites and Services console to configure the new domain controller as a  preferred bridgehead server for Site1.