What is the size difference in bits between an IPv4 address and an IPv6 address? 01/09/2017 – by Admin_VCEguide 0 What is the size difference in bits between an IPv4 address and an IPv6 address? A. 128 B. 100 C. 98 D. 96 E. 32 SHOW ANSWERSCorrect Answer: D Explanation/Reference: obvious answer.