A Java EE application is deployed to a horizontal cluster and makes use of HTTP session objects.
The administrator is required to ensure failover of these session objects, and chooses to
implement memory-to-memory replication. To maximize chances of successful failover, how
should the administrator configure the replication?

A.
Select Entire domain for the number of replicas.

B.
Select Single replica and select the default tuning parameter.

C.
Select Single replica and select “Very high” for the tuning parameter.

D.
Specify at least 3 replicas and select “Very high” for the tuning parameter.

Explanation: