Which statement about the Private interconnect interface is incorrect?

You are talking to the network admin team about the Interconnect network in Oracle RAC and
Clusterware.
Which statement about the Private interconnect interface is incorrect?

A.
Oracle RAC and Oracle ASM instances use the private interconnect for inter-instance
communication.

B.
Oracle Clusterware uses the private interconnect to exchange Clusterware-related messages
among its nodes.

C.
It supports both IPv4 and IPv6.

D.
It supports redundant network interfaces for load balancing and high availability.