Certkiller.com has an active directory forest on a single domain.  Certkiller needs a distributed application that employs a custom application. The application is directory partition software named PARDAT. You need to implement this application for data replication.  Which two tools should you use to achieve this task（）

• A、Dnscmd.
• B、Ntdsutil.
• C、Ipconfig
• D、Dnsutil
• E、All of the above