Which of the Following Statements About Multicast MAC Addresses Are

Which of the following statements about multicast MAC addresses are true? (Choose three.)

A) The high-order 24 bits of a multicast MAC address are 0x01005e and the low-order 23 bits of a multicast MAC address are the same as the low-order 23 bits of a multicast IP address.
B) One multicast MAC address maps 32 IP multicast addresses.
C) Multicast MAC addresses are used at the link layer to identify receivers that are in the same multicast group.
D) One multicast MAC address maps only one IP multicast address.