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Nokia 4A0-C01 Exam
Nokia NRS II Composite Exam (Page 24 )

Updated On: 19-Jan-2026
Page 24 of 170
PDF with 852 Questions

An LSP is enabled with one-to-one fast reroute and node protection. What action does the PLR take if node protection cannot be provided?

  1. The PLR attempts to provide link protection.
  2. The PLR disregards the request after three failed attempts.
  3. The PLR changes the PATH message to request link protection.
  4. The PLR brings down the primary LSP-path.

Answer(s): A



Which of the following is a characteristic of LDP Hello messages?

  1. They are multicast to the All Hosts address.
  2. They are broadcast to the subnet broadcast address.
  3. They are multicast to the All Routers address.
  4. They are broadcast or multicast, depending on the physical media.

Answer(s): C



Which of the following options are used to configure an MPLS signaling type to be used on an SDP? (Choose 2)

  1. configure service sdp sdp-id gre create
  2. configure service sdp sdp-id create
  3. Idp
  4. Isp Isp-name

Answer(s): C,D



Which of the following is TRUE when the explicit null is implemented?

  1. The penultimate router will forward packets to the eLER, based on the IP header.
  2. The eLER will receive packets with a top label value of 0.
  3. The eLER will receive packets with a top label value .
  4. The penultimate router will pop the top label from the packets.

Answer(s): B



Click on the exhibit.

LSP 1's link between routers R3 and R6 has failed, and the RESV state at router R3 has timed out. Which of the following actions will router R3 initiate?

  1. Send a PathTear message towards router R6.
  2. Send a PathTear message towards router R1.
  3. Send a ResvTear message toward router R6.
  4. Send a ResvTear message toward router R1.

Answer(s): D



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