Question 4: What happens when a network interface joins a multicast group in a sparse mode multicast network?

Choice: (choose correct answer): 

() The router sends a request in the direction of the rendezvous point to forward the multicast traffic to the interface.
() The router immediately starts forwarding multicast traffic to all interfaces.
() The multicast traffic is blocked until a specific configuration is applied.
() The router sends a request to all other routers to join the multicast group.


Answer: The router sends a request in the direction of the rendezvous point to forward the multicast traffic to the interface.