Nokia 4A0-108 Online Practice Questions and Exam Preparation

Nokia 4A0-108 Online Questions & Answers

• Question 11:

  Refer to the following exhibit.

  

  Assuming all links have an equal metric in the IGP, where will the Shared Path Tree be built when Receiver 3 joins the multicast group?

  A. Router G-E-C
  B. Router G-E-C-A
  C. Router G-E-D-B-A
  D. There is insufficient information to answer
  A. Router G-E-C

• Question 12:

  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
  B. It is flooded through the network in a bootstrap message

• Question 13:

  How often will a host issue IGMP Host Membership Reports for group 224.0.0.1?

  A. Never
  B. 30 seconds
  C. 60 seconds
  D. 120 seconds
  E. 260 seconds
  F. Whenever it receives a Query
  A. Never

• Question 14:

  Click the exhibit.

  

  Based on the configuration, channels 239.1.1.1, 239.1.1.2, 239.1.1.3 and 239.1.1.5 have already been established. What happens 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 can be established, while 239.1.1.8 cannot.
  B. Channel 239.1.1.8 can be established, while 239.1.1.4 cannot.
  C. Both of these channels can be established.
  D. Neither of these channels can be established.
  B. Channel 239.1.1.8 can be established, while 239.1.1.4 cannot.

• Question 15:

  Which of the following is NOT a characteristic of Draft Rosen?

  A. PIM in the VRF.
  B. PIM in the service provider's core network.
  C. GRE encapsulation for multicast data traffic.
  D. MPLS encapsulation for multicast data traffic.
  D. MPLS encapsulation for multicast data traffic.

• Question 16:

  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
  D. Only from the elected BSR

• Question 17:

  With IGMP snooping enabled, how does a LAN switch identify ports with routers attached?

  A. The same way as it identifies receivers
  B. From the IGMP Host Membership Reports received
  C. From the default gateway address of unicast frames
  D. From the IGMP Queries received
  E. The switch issues a message on all ports to which only routers respond
  D. From the IGMP Queries received

• Question 18:

  Which of the following about MLD snooping is FALSE?

  A. MLD snooping enables switches to forward multicast data to specific hosts interested in the group.
  B. MLD snooping can co-exist with IGMP snooping in the same VPLS service.
  C. Once MLD snooping is enabled, the switch can snoop both MLDv1 and MLDv2 messages.
  D. MLD snooping snoops MLD report and done messages, but not query messages.
  D. MLD snooping snoops MLD report and done messages, but not query messages.

• Question 19:

  Which MAC address does the IPv4 multicast address 239.231.42.11 translate 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-al-2a-6b
  E. 00-01-5e-67-2a-0b
  F. 00-01-5e-76-2b-cc
  C. 01-00-5e-67-2a-0b

• Question 20:

  What message does the diverging router (router where the shared and Source Path Trees diverge) generate to stop the multicast traffic arriving via the RP?

  A. PIM (*, G) Join
  B. IGMP (*, G) Join
  C. PIM Hello
  D. PIM (*, G) RP-bit prune
  E. PIM (*, G) RP-bit prune
  D. PIM (*, G) RP-bit prune