Advanced Networking Administrator Test Prep

Answer: D - IPv4 uses 32 bits and IPv6 uses 128 bits for addressing.

Key Takeaway: Internet Protocol version 6 (IPv6) is the next-generation Internet Protocol version designated as the successor to IPv4. The main driving force for the redesign of Internet Protocol is the fact that IPv4 addresses are exhaustible with only 4,294,967,296 addresses available. The new address space supports about 3.4×10³⁸ addresses.