You are creating and configuring a production WebLogic Server (WLS) domain that is highly available. Which three WebLogic Server features allow you to best accomplish this requirement? (Choose three.) 

Answer options:

A. Multiple standalone managed servers
B. Load Balancer
C. Cluster
D. DNS caching
E. Whole-server migration
F. Machine migration

BCE

B Load balancing is the even distribution of jobs and associated communications across the computing and networking resources in your environment. C: In a WebLogic Server cluster, application processing can continue when a server instance fails. E: Migration in WebLogic Server is the process of moving a clustered WebLogic Server instance or a component running on a clustered instance elsewhere if failure occurs. This is called Whole-server migration. Reference: http://docs.oracle.com/cd/E23943_01/core.1111/e10106/aa.htm#ASHIA4083