What best describes the destination IPv4 address that is used by multicasting?
- a single IP multicast address that is used by all destinations in a group
- an IP address that is unique for each destination in the group
- a group address that shares the last 23 bits with the source IPv4 address
- a 48 bit address that is determined by the number of members in the multicast group
Explanation: The destination multicast IPv4 address is a group address, which is a single IP multicast address within the Class D range.