In practical IPv6 application, The encapsulation of IPv6 packets inside IPv4 packets is called what? A. tunneling B. hashing C. routing D. NAT

Correct Answer: : A Explanation: Remember, most network is still build on IPv4 structure and IPv4 is not going away in a hurry… one of the many techniques used to migrate to IPv6 is Tunneling Tunneling is a method that a network built on IPv4 structure can be configured to traffic IPv6 packet simultaneously