What happens when an IPv6 enabled router running 6to4 must send a packet to a remote destination and the next hop is the address of 2002::/16?

What happens when an IPv6 enabled router running 6to4 must send a packet to a remote
destination and the next hop is the address of 2002::/16?

A.
The IPv6 packet has its header removed and replaced with an IPv4 header

B.
The IPv6 packet is encapsulated in an IPv4 packet using an IPv4 protocol type of 41

C.
The IPv6 packet is dropped because that destination is unable to route IPv6 packets

D.
The packet is tagged with an IPv6 header and the IPv6 prefix is included

Explanation:
6to4 and Teredo are dynamic tunneling techniques used by desktop operating systems to help
their users gain access to the IPv6 Internet. These techniques tunnel the IPv6 packets within IPv4
packets. The 6to4 method places the IPv6 packets within IPv4 protocol 41 packets. The Teredo

method places the IPv6 packets within IPv4 packets with a UDP 3544 header.

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