please explain this question with correct answer Current dua

please explain this question with correct answer

Current dual stack systems require browsers to choose IPv4 because the transition to IPv6 is not complete True False

Solution

Yes. This is True. Many of the current internet users do not have IPv6 dual stack support. And therefore, to access the IPv6 addresses/sites, which forces them to use IPv4 address instead of IPv6 to transfer the data. This technique is called tunnelling which encapsulates IPv6 packets within IPv4.