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Alcatel-Lucent 4A0-108 Exam
4A0-108 Multicast Protocols (Page 19 )

Updated On: 15-Feb-2026
Page 10 of 51
PDF with 247 Questions

Where is the best placement of the Rendezvous Point in a PIM SSM network?

  1. As close as possible to the multicast source
  2. The Rendezvous Point is not required in a PIM SSM network
  3. In the redundant core
  4. As close as possible to the receiver
  5. The Rendezvous Point can be positioned at any router without impact

Answer(s): B



Refer to the following configuration exhibit.



How many interfaces have receivers joining group 239.1.1.1?

  1. 1
  2. 2
  3. 3
  4. There is insufficient information to answer

Answer(s): D



Which of the following commands will verify the PIM DR on an interface on the Alcatel-Lucent 7750 SR?

  1. Show router pim status
  2. Show router pim neighbor
  3. Show router pim interface
  4. Show router pim statistics

Answer(s): C



Refer to the following exhibit.



The interfaces' IGP metric is as shown and PIM is using unicast table for RPF-check.
What will happen when Router B receives the register message on its interface facing Router A?

  1. Discard the register message as RPF-check fails
  2. Forward the register message to Router D (RP) according to its routing table
  3. Forward the register message out of all the interfaces in its (", 239.1.1.1) entry's outgoing interface list
  4. Forward the register message out of all the interfaces in its (192.168.1.1, 239.1.1.1) entry's outgoing interface list

Answer(s): B



Which of the following configuration steps are mandatory for IPv4 PIM ASM to work? (Choose two)

  1. Configure PIM on core and source facing interfaces
  2. Configure PIM on access facing interfaces
  3. Configure RP statically or via BSR
  4. Create and apply register and join policies
  5. Define the rpf-table

Answer(s): A,C






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