Nokia
4A0-C01 · Question #359
Which of the following statements best describes downstream unsolicited label distribution?
The correct answer is B. An LER may advertise label mappings to all peers for which it might be a next-hop for a given FEC. See the full explanation below for the reasoning.
Question
Which of the following statements best describes downstream unsolicited label distribution?
Options
- AAn LER may answer requests for label mappings immediately, without waiting for a label mapping from the next-hop.
- BAn LER may advertise label mappings to all peers for which it might be a next-hop for a given FEC.
- CAn LER propagates a label mapping downstream for a FEC. only if it has a label mapping for the FEC next-hop.
- DAn LER will only distribute a label for a FEC when it has been requested to do so.
How the community answered
(41 responses)- A10% (4)
- B80% (33)
- C7% (3)
- D2% (1)
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