Download Alcatel-Lucent.PracticeDumps.4A0-108.2018-02-17.1e.247q.vcex

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Exam Alcatel-Lucent Multicast Protocols
Number 4A0-108
File Name Alcatel-Lucent.PracticeDumps.4A0-108.2018-02-17.1e.247q.vcex
Size 5.54 Mb
Posted February 17, 2018
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Demo Questions

Question 1
Four routers in a domain are configured as BSR candidate. Router A is configured with a BSR priority of 10, Router B is configured with a BSR priority of 100. Router C and Router D are at the default value. Router D has the highest IP address. Which router will be elected the PIM BSR?

  • A: Router A
  • B: Router B
  • C: Router C
  • D: Router D



Question 2
Refer to the exhibit.  
 
Which router is this screen capture taken from?

  • A: Any router in the PIM multicast domain
  • B: Only from the Candidate-RP
  • C: Only from the Candidate-BSR
  • D: Only from the elected BSR



Question 3
Refer to the exhibit.
 
Which router is this screen capture taken from?

  • A: Any router in the PIM multicast domain
  • B: Only from the Candidate-RP
  • C: Only from the Candidate-BSR
  • D: Only from the elected BSR



Question 4
An Alcatel-Lucent 7750 SR is unable to locate a multicast source address in the multicast forwarding table. However, the source address is available in the unicast forwarding table.  
Which statement best describes the default RPF check behavior of the 7750 SR?

  • A: The RPF check will fail as PIM relies exclusively on the multicast forwarding table by default
  • B: The RPF check will not fail, as by default PIM uses the multicast forwarding table first for RPF check, if not found in the multicast forwarding table then refers to unicast forwarding table
  • C: The RPF check will not fail as PIM uses only the unicast forwarding table by default
  • D: The RPF check will fail as the RPF check requires that the source address be present in both the unicast and multicast forwarding table
  • E: Not enough information is provided to answer the question



Question 5
Refer to the exhibit.  
 
The switch is not igmp-snooping/proxy capable. What will happen if host 2 issues an IGMP report to join a group?

  • A: Both Router A and Router B will get this IGMP report and Router B will propagate a PIM join towards the core network
  • B: Both Router A and Router B will get this IGMP report and both of them will propagate a PIM join towards the core network
  • C: Only Router A will get this IGMP report and Router A will propagate a PIM join towards the core network
  • D: Only Router A will get this IGMP report and as Router A is not PIM DR, so no further action



Question 6
Refer to the configuration exhibit.  
 
Which of the following statements is true?

  • A: 2 static RP's cannot be configured on the same device
  • B: 10.10.10.24 will be RP for 230.1.1.1 and 10.10.10.66 will be RP for 234.1.1.1
  • C: 10.10.10.24 will be RP for 234.1.1.1 and 10.10.10.66 will be RP for 230.1.1.1
  • D: 2 static RP's both with override cannot be configured on the same device



Question 7
How do the routers in the PIM domain become aware of the address of the elected BSR?

  • A: It is unicast to them
  • B: It is flooded through the network in a bootstrap message
  • C: It is preconfigured on all routers
  • D: It is flooded through the network in the PIM Hello



Question 8
Choose the statements that describe Bootstrap Router mechanism. (Choose three)

  • A: It is a mechanism to distribute RP-set information dynamically
  • B: The bootstrap router gets and propagates RP information via multicast messages
  • C: The bootstrap router gets and propagates RP information via unicast and multicast messages
  • D: BSR relies on timers to discover that an RP-Candidate router is no longer available
  • E: For BSR to work, every router in the multicast network should be configured as BSR candidate



Question 9
Refer to the configuration exhibit.  
 
Channel 239.1.1.1, 239.1.1.2, 239.1.1.3 and 239.1.1.5 have already been established.  
What will happen when this router receives two IGMP reports to join group 239.1.1.4 and 239.1.1.8?

  • A: Channel 239.1.1.4 will be established while 239.1.1.8 will not
  • B: Channel 239.1.1.8 will be established while 239.1 1.4 will not
  • C: Both of these two channels will be established
  • D: Neither of these two channels will be established



Question 10
Which of the following statements is false regarding BSR and RP?

  • A: A router may be both a candidate-BSR and candidate-RP
  • B: A router configured as a candidate-BSR may also be configured as a static RP
  • C: A router configured as a candidate-RP may be also be configured as a static RP
  • D: A converged multicast network with BSR may have multiple routers elected as BSRs
  • E: A converged multicast network with BSR may have multiple routers elected as RPs









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