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Q61. Refer to the configuration exhibit.
What will happen when this router receives an IGMPv3 exclude none report for group 232.1.1.1?
A. The router will propagate a (*, 239.1.1.1) join towards RP if it exists
B. The router will randomly pick a source from 192.168.1.1 and 192.168.1.2 and send an (S.G)join towards the source
C. The IGMPv3 report will be dropped and a log about misconfiguration will be generated
D. The router will send a PIM (192.168.1.1,232.1.1.1) Join
Answer: D
Q62. Which MAC address will the IPv4 multicast address 224.128.0.1 be translated to?
A. 01-00-5e-80-00-01
B. 01-00-5e-22-41-40
C. 01-00-5e-22-28-01
D. 00-01-5e-80-00-01
E. 01-00-5e-00-00-01
F. 00-01-5e-22-28-01
Answer: E
Q63. Refer to the configuration exhibit.
Channel 239.1.1.11239.1.1.2, 239.1.1.3 and 239.1.1.5 have already been established.
What will happen when this router receives a IGMP report to join group 239.1.1.6?
A. The router will tear down channel 239.1.1.3 as it's non-mandatory and establish a new channel for 239.1.1.6
B. The router will tear down either channel 239.1.1.1 or 239.1.1.2 as they are low class and establish a new channel for 239.1.1.6
C. No existing channel will be torn down and the new channel for 239.1.1.6 will be established as there is enough resource
D. The new channel 239.1.1.6 won't be established and a log will be generated
Answer: D
Q64. 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
Q65. Which of the following Query messages are supported by IGMP version 3? (Choose three)
A. Group Specific Query
B. Group Membership Query
C. Host Query
D. Source Specific Query
E. Group-and-Source Specific Query
Answer: ABE
Refresh 4A0-108 actual exam:
Q66. Which MDT types are used in a Sparse Mode network? (Choose two) A. Shared Path Tree
B. Source Path Tree
C. Spanning Tree
D. Special Path Tree
E. Switchover Path Tree
Answer: AB
Q67. If the access network supports IGMP version 2 only, what additional configuration is required to enable the SSM model?
A. IGMP snooping
B. IGMP compatibility mode support
C. IGMP version 2 to IGMP version 3 translations
D. IGMP (*, G) Join to PIM (S. G) Join translation
E. PIM ASM to PIM SSM translations
Answer: D
Q68. The default version of IGMP on the Alcatel-Lucent 7750 SR is:
A. Configured manually
B. Version 1
C. Version 2
D. Version 3
Answer: D
Q69. How many bits of the IP multicast address are copied directly to the multicast MAC address?
A. 5
B. 9
C. 23
D. 27
E. 28
Answer: C
Q70. Which of the following statements is false?
A. For multicast delivery, the source will send a single copy of each packet regardless of the number of receivers
B. For unicast delivery, the source will send a single copy of each packet regardless of the number of receivers
C. For broadcast delivery, the source will send a single copy of each packet regardless of the number of receivers
D. For anycast delivery, the source will send a single copy of each packet regardless of the number of receivers
Answer: B