Which three approaches can be used while migrating from an IPv4 addressing scheme to an IPv6 scheme? (Choose three)

A.
static mapping of IPv4 address to IPv6 addresses

B.
configuring IPv4 tunnels between IPv6 islands

C.
use DHCPv6 to map IPv4 addresses to IPv6 addresses

D.
use proxying and translation (NAT-PT) to translate IPv6 packets into IPv4 packets

E.
configure IPv6 directly

F.
enable dual-stack routing