All MySQL Server instances belonging to InnoDB Cluster have SSL configured and enabled. You must configure InnoDB Cluster to use SSL for group…

A: SSL group communication must be enabled at cluster creation time by specifying createCluster ({memberSslMode: 'REQUIRED'}). B: Configuring SSL group communication also configures SSL distributed recovery. C: An existing InnoDB Cluster must be dissolved and created from scratch to enable SSL for group communication. D: SSL group communication can be enabled for an existing cluster, one instance at time, by setting group_replication_ssl_mode. E: If only some InnoDB Cluster members are enabled for SSL group communication, and --ssl- mode=PREFERRED, communication will fall back to unencrypted connection. F: SSL group communication requires the use of an additional set of parameters group_replication_recovery_*.