A customer needs to implement a Highly Available solution for JMS that has a primary data center and a backup. Which three steps would you perform when designing your solution?（）
- AStore Transaction Logs in a database and use Database stores for JMS to make replication between sites easier.
- BUse file based Transaction Logs and JMS stores and implement a separate replication solution for files in addition to database in case database replication fails.
- CImplement Oracle RAC at each site to provide a highly available solution within each datacenter.
- DConfigure Whole Server Migration to migrate WebLogic Managed Servers from the primary to the secondary site.
- EConfigure Automatic Service Migration for JMS high availability within a datacenter.