Which of the Following Statements Regarding Multicast Routing Are True

Multiple Choice

Which of the following statements regarding multicast routing are true? (Choose all that apply.)

A) A multicast routing protocol is used to create and maintain multicast routes, and to forward multicast data packets correctly and efficiently.
B) Multicast routes form a unidirectional loop-free data transmission path from a data source to multiple receivers. This transmission path is a multicast distribution tree.
C) Multicast routing protocols can be divided into intra-domain and inter-domain multicast routing protocols.
D) The multicast routing protocol includes the IGMP protocol.