Nokia 4A0-108 Online Practice Questions and Exam Preparation

Nokia 4A0-108 Online Questions & Answers

• Question 81:

  What are the first two actions a router performs after PIM is enabled?

  A. BSR election followed by DR election.
  B. DR election followed by PIM Hello messages.
  C. DR election followed by BSR election.
  D. BSR election followed by PIM Hello messages.
  E. PIM Hello messages followed by BSR election.
  F. PIM Hello messages followed by DR election.
  F. PIM Hello messages followed by DR election.

• Question 82:

  What is the purpose of exchanging the Register messages between RPs configured within one anycast RP-set?

  A. To inform each RP about all multicast sources in the domain.
  B. There is no need for this. This is purely an optional functionality as described in the anycast RP draft.
  C. To inform each RP about all multicast-enabled receivers.
  D. To facilitate the anycast RP election process.
  A. To inform each RP about all multicast sources in the domain.

• Question 83:

  How many multicast groups may a single receiver join at any one time?

  A. 1
  B. 2
  C. 4
  D. 256
  E. As many as the operating system and software allow
  E. As many as the operating system and software allow

• Question 84:

  In Draft Rosen, how does the PE process a PIM Join message received from its CE?

  A. The PE maps the customer group address to a group address in the configured range and sends a PIM Join for that group to the RP in the provider core.
  B. The PE propagates the PIM Join message to the RP in the provider core.
  C. The PE encapsulates the PIM Join message in GRE and sends it to other PEs via I-PMSI.
  D. The PE encapsulates the PIM Join message in GRE and sends it to other PEs via S-PMSI.
  C. The PE encapsulates the PIM Join message in GRE and sends it to other PEs via I-PMSI.

• Question 85:

  Four routers in a domain are configured as BSR candidates. 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 selected as the BSR?

  A. Router A
  B. Router B
  C. Router C
  D. Router D
  B. Router B

• Question 86:

  How does IGMP snooping eliminate multicast flooding on the LAN?

  A. The switch populates multicast source addresses into the forwarding table
  B. The switch acts as an IGMP proxy for the receiver
  C. The switch inspects IGMP messages between receivers and routers and populates the forwarding table with active multicast group addresses
  D. The switch inspects all multicast traffic between receivers and routers and populates the forwarding table with active multicast group addresses
  C. The switch inspects IGMP messages between receivers and routers and populates the forwarding table with active multicast group addresses

• Question 87:

  Why do RPs configured for anycast RP-set exchange Register messages?

  A. To inform each RP about all of the multicast sources in the domain
  B. There is no need for this. This is purely an optional functionality as described in the anycast RP draft
  C. To inform each RP about all of the multicast enabled receivers
  D. To facilitate the anycast RP election process
  E. None of the above
  B. There is no need for this. This is purely an optional functionality as described in the anycast RP draft

• Question 88:

  Consider the following addresses. Which two should not be used in a multicast network at the same time?

  A. 224.192.12.35 and 238.64.12.35
  B. 235.182.12.35 and 235.64.12.35
  C. 226.172.12.35 and 238.42.12.35
  D. 237.138.12.35 and 238.128.12.35
  A. 224.192.12.35 and 238.64.12.35

• Question 89:

  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
  A. Any router in the PIM multicast domain

• Question 90:

  If the access network supports IGMP version 2 only, what additional configuration is required to enable the SSM model?

  A. IGMP snooping
  B. IGMP compatibility mode support
  C. IGMP version 2 to IGMP version 3 translations
  D. IGMP (*, G) Join to PIM (S. G) Join translation
  E. PIM ASM to PIM SSM translations
  D. IGMP (*, G) Join to PIM (S. G) Join translation