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Alcatel-Lucent Virtual Private LAN Services (4A0-105) - Alcatel-Lucent Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
156 Total Questions
1
Question
What is the SA in the Ethernet frame used for by a layer 2 switch?
Options
A Routing table population
B MAC learning
C SA filtering
D Frame forwarding
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2
Question
A router has just learned the 10th MAC address while the FDB size is also set to 10. What is the likely outcome?
Options
A More information is required to determine the fate of this new frame.
B The frame is dropped.
C The frame is forwarded and MAC learning is automatically disabled.
D The frame is discarded if the destination is unknown.
E The frame is always flooded
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3
Question
What option is available when using PBB to reduce the amount of required VPLS services?
Options
A The Alcatel-Lucent 7750 SR supports the mapping of multiple, standard VPLS services to B-VPLS services.
B The Alcatel-Lucent 7750 SR supports 1:1 mapping of I-VPLS services to B-VPLS services.
C The Alcatel-Lucent 7750 SR supports 1:1 andM:1 mapping of l-VPLS services to B- VPLS services.
D The Alcatel-Lucent 7750 SR supports the mapping of multiple, standard VPLS services to l-VPLS services.
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4
Question
A LAG is configured with LACP passive mode enabled. When will LACP packets be sent?
Options
A Every 1 second.
B On initialization and then every hello-interval.
C Only after receiving LACP packets.
D Never.
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5
Question
What are the advantages of running a physical ring topology with a mesh of mesh-SDPs? (Choose 2)
Select 2
Options
A If the traffic is primarily multicast, a full mesh of SDPs is a simple and efficient design.
B STP can be used to break the loop.
C If the traffic is primarily Unicast, a full mesh of SDPs is a simple and efficient design.
D STP is not required to break the loop because of split-horizon rules.
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