What is the difference between the IPv6 addresses ::/0 and :: /128? （）
- A ::/0 is the default route, and ::/128 is the unspecified address.
- B ::/0 is the unicast address, and ::/128 is the anycast address.
- C ::/0 is the anycast address, and ::/128 is the multicast address.
- D ::/0 is the unicast address, and ::/12 8 is the multicast address.
- E ::/0 is the unspecified address, and ::/128 is the multicast address.
- F ::/0 is the anycast address, and ::/128 is the default address.