问题:
A . Store Transaction Logs in a database and use Database stores for JMS to make replication between sites easier.
B . Use file based Transaction Logs and JMS stores and implement a separate replication solution for files in addition to database in case database replication fails.
C . Implement Oracle RAC at each site to provide a highly available solution within each datacenter.
D . Configure Whole Server Migration to migrate WebLogic Managed Servers from the primary to the secondary site.
E . Configure Automatic Service Migration for JMS high availability within a datacenter.
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