[&] Which field within an IPv6 packet header would contain the value of "6" indicating that a TCP header follows the IPv6 header? (Select the best answer)
- Next Header
- Protocol
- Port
- None of these answers are correct
- Traffic Class

[&] Which of the following IPv4 header fields no longer have any counterpart in the standard, fixed-length IPv6 header? (Select the best answer)
- Type of service
- Time to live
- Identification
- Version
- Protocol

[&] Which field within an IPv6 packet header is typically never used, even though the protocol was invented over twenty years ago? (Select the best answer)
- Traffic class
- Flow label
- Next Header
- Total Length