Download Nokia Multicast Protocols.testkings.4A0-108.2019-03-26.1e.138q.vcex

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Exam Alcatel-Lucent Multicast Protocols
Number 4A0-108
File Name Nokia Multicast Protocols.testkings.4A0-108.2019-03-26.1e.138q.vcex
Size 3.89 Mb
Posted March 26, 2019
Downloads 1

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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 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 6
How does a Candidate-RP send its information to the BSR?

  • A: Using PIM address 224.0.0.13
  • B: It is unicast to all the BSR candidates
  • C: It is flooded by all PIM routers
  • D: It is unicast to the elected BSR



Question 7
Refer to the exhibit.  

  

Which one of the following descriptions is correct, assuming that all the IGMP join, PIM join and multicast traffic are for the same multicast group?

  • A: IGMP is enabled on Router A and B's interfaces facing the switch. 
    PIM is not enabled on Router A and B's interfaces facing the switch.  
    IGMP snooping is enabled on the switch.
  • B: IGMP is enabled on Router A and B's interfaces facing the switch. 
    PIM is not enabled on Router A and B's interfaces facing the switch.  
    IGMP snooping is not enabled on the switch.
  • C: IGMP is enabled on Router A and B's interfaces facing the switch. 
    PIM is enabled on Router A and B's interfaces facing the switch.  
    IGMP snooping is enabled on the switch.
  • D: IGMP is enabled on Router A and B's interfaces facing the switch. 
    PIM is enabled on Router A and B's interfaces facing the switch.  
    IGMP snooping is not enabled on the switch.



Question 8
When a BSR message with a higher priority is seen, will a new BSR election occur?

  • A: No, the new election only occurs when the elected BSR fails
  • B: Yes, after a bootstrap message wait interval
  • C: Yes, immediately
  • D: Depends on the local configuration of whether to allow the new election or not



Question 9
Which MAC address will the IPv4 multicast address 233.103.42.11 be translated to?

  • A: 01-00-5e-66-3a-6b
  • B: 01-00-5e-75-2a-0b
  • C: 01-00-5e-67-2a-0b
  • D: 00-01-5e-a1-2a-6b
  • E: 00-01-5e-67-2a-0b
  • F: 00-01-5e-76-2b-cc



Question 10
What is the OUI field of the MAC address for IPv4 multicast address?

  • A: 00-01-5e
  • B: 00-01-5f
  • C: 01-00-5e
  • D: 01-00-5f









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