17. What is the very first field in an IPv6 header?
- data payload field
- version field
- traffic class field
- source address field
18. Which IPv6 header field indicates how many routers can forward a packet before it's discarded?
- hop limit field
- next header field
- router forward field
- TTL
19. The IPv4 mapped address space within IPv6 always starts with _______ zeroes.
- 32
- 80
- “128”
- 64
20. For IPv6 traffic to travel on an IPv4 network, which two technologies are used? Select all that apply.
- Datagrams
- IPv4 Tunnels
- Packets
- IPv6 tunnels
