A: IPv6 is 128 bits each while IPv4 is 4 bytes each.
B: IPv4 addresses are binary numbers represented in hexadecimals.
C: IPv6 has 16 bytes for each address in the header while IPv4 only has 4 bytes per each address.
D: Both Include checksum in the header
E: Only IPv4 uses broadcast addresses to send packets to all nodes on a subnet