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NO.1 An IGMP version 3 receiver signals INCLUDE mode report with an empty INCLUDE list. What
does this indicate?
A. It received the query, but it does not wish to join any group.
B. It is willing to receive traffic for the group from any source.
C. This is the initial join message; a selection of source will follow.
D. It indicates that it is leaving the group.
Answer: D

NO.2 How does the RP get the first multicast data packet from source?
A. Via the Source Path Tree
B. Via a Register Message which encapsulates the multicast traffic
C. Via a Bootstrap Message which encapsulates the multicast traffic
D. Via the Shared Path Tree
Answer: B

NO.3 How does IGMP snooping eliminate multicast flooding on the LAN?
A. The switch populates multicast source addresses into the forwarding table
B. The switch acts as an IGMP proxy for the receiver
C. The switch inspects IGMP messages between receivers and routers and populates the forwarding
table with active multicast group addresses
D. The switch inspects all multicast traffic between receivers and routers and populates the
forwarding table with active multicast group addresses
Answer: C

NO.4 Which of the following PIM messages is sent to RP via unicast?
A. (*, G) Join/Prune
B. (S, G) Join/Prune
C. Register
D. Candidate-RP-Advertisement
Answer: C

NO.5 Which MAC address will the IPv4 multicast address 239.231.42.11 be translated to?
A. 01-00-5e-66-3a-6b
B. 01-00-5e-75-2a-0b
C. 01-00-5e-67-2a-0b
D. 00-01-5e-a1-2a-6b
E. 00-01-5e-67-2a-0b
F. 00-01-5e-76-2b-cc
Answer: C

NO.6 Which of the following statements is true regarding BSR and RP?
A. The same router cannot be configured as a BSR candidate and as a static RP
B. The same router cannot be a candidate-RP and a BSR-candidate at the same time
C. There is only one active RP in a multicast routing domain at anytime
D. There is only one elected BSR in a multicast routing domain at anytime
Answer: D

NO.7 Which of the following PIM messages are sent via unicast? (Choose two)
A. (*.G) Join/Prune
B. (S.G) Join/Prune
C. Register
D. Candidate-RP-Advertisement
Answer: C,D

NO.8 Which of the following are characteristics of the one-to-many model of multicast data delivery?
(Choose two)
A. Receivers are generally unknown by the source.
B. Receivers are generally known by each other.
C. It is well suited for applications in which the receivers provide feedback to each other and the
source.
D. There is a single data flow for each group on the source segment.
E. All devices are potentially capable of generating multicast data.
F. It is well suited for applications such as video on demand, where each source sends a separate
data stream to each of the many different receivers.
Answer: A,D