Which statement about IPv6 is true?

A.
Addresses are not hierarchical and are assigned at random.

B.
Only one IPv6 address can exist on a given interface.

C.
There are 2.7 billion addresses available.

D.
Broadcasts have been eliminated and replaced with multicasts.

Explanation:
This question is to check the concept of IPv6.
IPv4 supports three address types: unicast, multicast and broadcast.
In IPv6, broadcasts have been eliminated and replaced with multicasts. At the same time, IPv6 introduces another address type – anycast.