In Amazon ElastiCache Replication Groups of Redis, for Performance Tuning

Multiple Choice

In Amazon ElastiCache replication groups of Redis, for performance tuning reasons, you can change the roles of the cache nodes within the replication group, with the primary and one of the replicas exchanging roles.

A) True, however, you get lower performance.
B) false
C) true
D) False, you must recreate the replication group to improve performance tuning.