You have designed a IPv6 migration plan, and now you need to determine the impact on the existing IPv4 network. Which is likely to happen when you enable IPv6 routing on the link between R3 and R2, starting at R3?
A.
R3 advertises the link from R3-R2 to R1, R4 and R5 only.
B.
R2 receives an IPv6 default route from R3.
C.
Only R3 and R2 have IPv4 and IPv6 reachability.
D.
Loopback reachability between all routers for IPv4 is lost.
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