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Free 4A0-108: Alcatel-Lucent Multicast Protocols Exam Questions and Answers
Last updated: April 1, 2025
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413-4A0-108: Alcatel-Lucent Multicast Protocols
#Question
What happens when a host leaves a multicast group?
A.
The host continues receiving data
B.
The routing table updates
C.
The host is removed from all groups
D.
Multicast traffic stops
Correct Answer:
B
When a host leaves a multicast group, it triggers an update in the routing table to reflect the new membership status.
#Question
Which advantage does multicast provide over traditional streaming?
A.
More content options
B.
Simultaneous updates
C.
Efficient use of bandwidth
D.
Reduced latency
Correct Answer:
C
Multicast is more efficient with bandwidth in contrast to traditional unicast streaming methods, particularly for multiple receivers.
#Question
What does the term "prune" refer to in a PIM context?
A.
Sending multicast traffic
B.
Redirecting multicast routes
C.
Increasing data flow
D.
#Question
What is the primary concern of a multicast distribution tree?
A.
Maximizing packet lifetime
B.
Minimizing network congestion
C.
Optimizing packet delivery
D.
Ensuring reliable unicast communication
Correct Answer:
C
A multicast distribution tree focuses on optimizing packet delivery from the source to all group members.
#Question
Which multicast address is dedicated to listener discovery?
A.
233.252.0.0
B.
224.0.0.2
C.
239.255.255.255
D.
239.0.0.0
Correct Answer:
B
The address 224.0.0.2 is specifically used for IGMPv3 listener discovery in multicast networks.
#Question
What is the main benefit of source-specific multicast (SSM)?
A.
Reduces bandwidth usage
B.
Supports all multicast traffic
C.
Allows receivers to specify sources
D.
Ensures secure communication
Correct Answer:
C
SSM allows receivers to specify from which sources they want to accept traffic, providing greater control.
#Question
How does PIM-SM manage dynamically changing network sources?
A.
By requiring manual updates
B.
By using a shared tree
C.
By forcing static routes
D.
Through periodic router announcements
Correct Answer:
B
PIM-SM uses a shared tree structure to adapt dynamically to changes in network source availability.
413-4A0-108: Alcatel-Lucent Multicast Protocols
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