Which of the following best describes downstream unsolicited label distribution?

Question

Options

• AAn LSR may answer requests for label mappings immediately, without waiting for a label mapping from the next-hop.
• BAn LSR may advertise label mappings to all peers for which it might be a next-hop for a given FEC.
• CAn LSR propagates a label mapping downstream for a FEC, only if it has a label mapping for the FEC next-hop.
• DAn LSR will only distribute a label for a FEC when it has been requested to do so.

• A
  4% (2)
• B
  71% (37)
• C
  19% (10)
• D
  6% (3)

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