Testing for Understanding

To test your understanding of IPv6/IPv4 coexistence and migration, answer the following questions. See Appendix D to check your answers.

  1. Describe the difference between migration and coexistence.
  2. Why do the criteria for the IPv4-to-IPv6 transition require no dependencies between IPv4 and IPv6 hosts, addresses, and routing infrastructure?
  3. How does an IPv4-only host communicate with an IPv6-only host?
  4. What is the difference between an IPv4-compatible address and an IPv4-mapped address?
  5. Is the IPv6 protocol for Windows XP and the Windows .NET Server 2003 family a dual IP layer? Why or why not?
  6. How are the source and destination addresses in the IPv4 header determined for IPv6 over IPv4 tunnel traffic?
  7. Describe the components of the 6to4 address and how the address is mapped to an IPv4 address when forwarded across an IPv4 infrastructure by a 6to4 router using the 2002::/16 route.
  8. What is the public IP address of the 6to4 router that is being used as a site border router for the ISATAP host with the address 2002:9D3C:2B5A:5:0:5EFE:
  9. Describe how 6to4 and ISATAP can be used together.
  10. For a 6over4 host using an Ethernet adapter, describe how the joining of an IPv6 multicast group on all interfaces creates two multicast entries in the table of interesting destination MAC addresses on the Ethernet adapter.
  11. A common misconception is that ISPs must support native IPv6 routing in order to use IPv6. Describe why this is a misconception.

Understanding IPv6
Understanding Ipv6
ISBN: 0735612455
EAN: 2147483647
Year: 2005
Pages: 124
Authors: Joseph Davies

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