Which two are characteristics of an IPv6 multicast address? (Choose two )
A.
First (most significant ) octet is FF in hex
B.
Starts with a prefix of FE80 to FEBF in hex
C.
Starts with a prefix of FECO to FEFF in hex
D.
Second octet contains a 4-bit multicast scope field
E.
Last 64 bit contains the modified MAC address of the Ethernet interface
F.
Is allocated from the unicast address space