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
 
                