Refer to the exhibit. What statement is true base d upon the configuration in the exhibit? （）
A. CGMP version 2 is being used.
B. The switch will use sparse mode first, dense mode second.
C. A rendezvous point must be configured in order for the interface to operate in sparse mode.
D. IGMP version 2 is being used.
E. The rendezvous point is IP address 172.16.4.16.
F. If a rendezvous point is configured, the interface cannot operate in dense mode.
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Refer to the exhibit. Which two conclusions can be drawn from the debug ip igmp output?（）
A. The router sent an IGMP version 2 query out interface Ethernet1 at multicast address 224.0.0.1.
B. Router RTA received an IGMP report version 1 from host 192.168.9.1.
C. Reverse Path Forwarding (RPF) is ena bled for 192.168.9.4.
D. Reverse Path Forwarding (RPF) is enabled for 224.0.1.40.
E. The IP multicast groups are 224.0.0.1, 224.0.1.40, and 239.255.0.1.
F. IP PIM RP mapping is static.
A. IGMP
B. IGMP snooping
C. PIM
D. CGMP
E. static assignment
F. CDP
A. Sparse mode multicast uses a pull model to send multicast traffic to where it is requested
B. Dense mode multicast uses a push model to flood traffic throughout the network and then prunes the unwanted traffic
C. Dense mode multicast requires explicit join messa ges from their members
D. Sparse mode uses reverse path forwarding (RPF) to prune off redundant flows
E. The primary use of sparse mode multicast is for test labs and router performance testing
A. The multicast sources must register with the RP to form the multicast distribution tree
B. An RP is required only in networks running Protocol Independent Multicast dense mode ( PIM DM)
C. The multicast receivers must register with the RP to form the multicast distribution tree
D. An RP is required only in networks running Protocol Independent Multicast sparse mode (PIM SM)
E. An RP is required only in networks running Pro tocol Independent Multicast sparse - dense mode (PIM - SDM)
F. To form the multicast distribution tree, the multicast sources register with and the receivers join the RP
Refer to the exhibit. All routers have Protocol Independent Multicast (PIM) enabled interfaces. On the basis of the configuration provided on routers R1 and R2, which router will take on the func tion of rendezvous point (RP) for the multicast network? （）
A. both routers R1 and R2
B. router R1
C. router R2
D. none of the routers since they are not configured with static RP
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