Which two statements about Protocol Independent Multicast (PIM) are true? (Choose two.)

Last Updated on April 27, 2021 by Admin

Which two statements about Protocol Independent Multicast (PIM) are true? (Choose two.)

  • PIM does not require an IGP protocol to be configured in the network.
  • PIM should be configured only on the first and the last hop routers in the multicast tree.
  • PIM should be configured on the device that hosts the source of the muticast traffic.
  • PIM sparse mode is most useful when there are few senders, many receivers, and the volume of multicast traffic is high.
  • PIM is a multicast routing protocol that makes packet-forwarding decisions independent of the unicast IP routing protocol that is running in the network.
  • Three of the forwarding modes for PIM are PIM dense mode (PIM-DM), PIM sparse mode (PIM-SM), and PIM sparse-dense mode.
    Answers Explanation & Hints:

    PIM is a multicast routing protocol that routes multicast traffic between network segments by creating distribution trees. It makes packet-forwarding decisions independent of the unicast IP routing protocol that is running in the network. There are five operating PIM modes:

    PIM dense mode (PIM-DM)

    PIM sparse mode (PIM-SM)

    PIM sparse dense Mode

    PIM source specific multicast (PIM-SSM)

    PIM bidirectional mode (Bidir-PIM)

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