Which three causes will prevent a host from getting an IPv6 address with stateless
autoconfiguration? (Choose three.)

A.
The autoconfig command is missing from the router interface.

B.
IPv6 multicast routing is not enabled on the router interface.

C.
IPv6 unicast routing is not enabled on the router interface.

D.
The router interface is configured with a /63 mask.

E.
The router interface is configured with a /65 mask.

Explanation:
For IPv6 to function IPv6 unicast routing must be enabled on the interface. For stateless
autoconfiguration to work properly, the advertised prefix length in router advertisement messages
must always be 64 bits.