How long are IPv4 addresses:

A.
32 bits long

B.
64 bits long

C.
128 bits long

D.
16 bits long

Explanation:
“Ipv4 uses 32 bits for addresses, and Ipv6 uses 128 bits; thus v6 provides more
possible addresses to work with.” Pg 331 Shon Harris: All-in-One CISSP Certification