Answer:
These technologies are: Dual Stack Routers, Tunneling, and NAT Protocol Translation.
Explanation:
Dual Stack Routers - This is the process in which a router’s interface is attached with IPv4 and IPv6 addresses
Tunneling -Tunneling is used as a medium to help the different IP versions communicate with the transit network.
NAT Protocol Translation - This helps the IPv4 and IPv6 networks communicate with each other since they do not understand the IP addresses of each other since, they are different IP versions.
If the four colors are well -balanced then nothing could be best scheme other than the "Square" as it is it's characteristic
In short, Your Answer would be Option C
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