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Alcatel-Lucent Multicast Protocols (4A0-108) - Alcatel-Lucent Exam Questions

Last updated on June 22, 2026

97% Exam Compliance
247 Total Questions
1
Question
Refer to the following exhibit.

Exhibit

Assuming all links have an equal metric in the IGP, where will the Shared Path Tree be built when Receiver 3 joins the multicast group?
Options
A Router G-E-D-B-A
B Router G-E-C-A
C Router G-E-C
D There is insufficient information to answer
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2
Question
A BSR candidate message is seen with a higher priority than the existing BSR. Which of the following describes the action that occurs?
Options
A The higher priority router becomes the BSR only after the existing BSR fails.
B.The higher priority router becomes the BSR after the bootstrap message wait interval.
C.The higher priority router becomes the BSR immediately.
D.There is a BSR configuration parameter that determines whether or not there is a BSR election in this case.
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3
Question
How many bits of the IP multicast address are copied directly to the multicast MAC address?
Options
A 23
B 9
C 5
D 27
E 28
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4
Question
How does IGMP snooping eliminate multicast flooding on the LAN?
Options
A The switch inspects IGMP messages between receivers and routers and populates the forwarding table with active multicast group addresses
B The switch acts as an IGMP proxy for the receiver
C The switch inspects all multicast traffic between receivers and routers and populates the forwarding table with active multicast group addresses
D The switch populates multicast source addresses into the forwarding table
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5
Question
What does the term ‘incongruent unicast and multicast routing’ refer to? (Choose the best answer)
Options
A This refers to the case when the base routing table imports routes from two different protocols
B This refers to having different routing policies or routing topologies for unicast and multicast networks
C This is another term for asymmetric routing
D This refers to the case when unicast and multicast routing tables contain the same route entries
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