How many bits compose an IPv6 address?

A.
32 bits

B.
64 bits

C.
96 bits

D.
128 bits

Explanation:
IPv6 uses 128 bits for its addresses.
Incorrect Answers:
A: IPv4 uses 32 bits for its addresses, while IPv6 uses 128 bits.
B: IPv6 uses 128 bits, not 64 bits, for its addresses.
C: IPv6 uses 128 bits, not 96 bits, for its addresses.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, New York, 2013, p. 541