With a multicast design, applications can send one copy of each packet and address it to the group of computers that want to receive it. This technique addresses packets to a group of receivers rather than to a single receiver, and it depends on the network to forward the packets to only the networks that need to receive them. Which two of these are characteristics of multicast routing?
- Multicast routing uses OSPF.
- Multicast routing uses RPF.
- In multicast routing, the source of a packet is known.
- When network topologies change, multicast distribution trees are not rebuilt, but use the original path
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