You are designing a DNS strategy to meet the business and technical requirements. What should you do?（）

• A、Install the DNS Server service on all domain controllers. Create Active Directory-integrated zones. Replicate the zones to all DNS servers in the forest.
• B、Install the DNS Server service on all domain controllers. Create Active Directory-integrated zones. Replicate the zones to all DNS servers in the domain.
• C、Install the DNS Server service on all domain controllers. Create primary zones and secondary zones.  
• D、Create application partitions for the different zones on one domain controller. Configure replication to occur on all DNS servers.