Refer to the exhibit.
If R1 is configured for 6to4 tunneling, what will the prefix of its IPv6 network be?
A.
1723:1100:1::/48
B.
FFFF:AC1F:6401::/16
C.
AC1F:6401::/32
D.
2002:AC1F:6401::/48
E.
3FFE:AC1F:6401::/32
Explanation:
http://networklessons.com/ipv6/how-to-configure-ipv6-automatic-6to4-tunneling/