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4A0-C01 · Question #572
4A0-C01 Question #572: Real Exam Question with Answer & Explanation
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Question
Which of the following best describes downstream on demand label distribution?
Options
- AAn LSR answers requests for label mappings immediately, without waiting for a label mapping from the next-hop.
- BAn LSR advertises label mappings to all peers for which it might be a next-hop for a given FEC.
- CAn LSR distributes a label mapping for a FEC when it has been requested to do so.
- DAn LSR propagates a label mapping downstream for a FEC. only if it has a label mapping for the FEC's next-hop.
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