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QUESTION 351
Which effect of the ip nhrp map multicast dynamic command is true?
A. It configures a hub router to automatically add spoke routers to the multicast replication list of the hub
B. It enables a GRE tunnel to operate without the IPsec peer or crypto ACLs.
C. it enables a GRE tunnel to dynamically update the routing tables on the devices at each end of the tunnel
D. It configures a hub router to reflect the routes it learns from a spoke back to other spokes through the same interface