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Free 4A0-103 Exam Braindumps
Nokia Multiprotocol Label Switching Questions 101–105 (page: 22)

Updated On: 9-Feb-2026
Page 22 of 51
PDF with 256 Questions

Which of the following about per-interface label space is TRUE?

  1. A single label is assigned to a FEC for all interfaces on the same router.
  2. The same label can be used to forward a packet on an LSR regardless of which egress port is used.
  3. It uses fewer label resources than a per-platform label space.
  4. A separate label is used for each interface that the FEC is advertised on.

Answer(s): D



What is the purpose of the MPLS TC field (EXP bits)?

  1. Each implementation can use it as they see fit.
  2. It is used to carry the Ether type value.
  3. It is used to carry the TTL value.
  4. It is used to carry QoS classification.
  5. It is used to carry fragmentation flag information.

Answer(s): D



An Alcatel-Lucent 7750 SR label switches a packet it receives. The packet has an outer label TTL of 250 and an inner label TTL of 251. Which of the following is TRUE?

  1. The outer label TTL will be 249 and the inner label TTL will be 250.
  2. The outer label TTL will be 249 and the inner label TTL will be 251.
  3. The outer label TTL will be 251 and the inner label TTL will be 251.
  4. The outer label TTL will be 251 and the inner label TTL will be 252.

Answer(s): B



Which mode does the following statement describe? An LSR will advertise a label mapping immediately, without waiting for a label mapping from the FEC's next-hop.

  1. Liberal label retention mode
  2. Conservative label retention mode
  3. Ordered control mode
  4. Independent control mode

Answer(s): D



Which of the following about RSVP-TE is TRUE?

  1. RSVP-TE is a routing protocol.
  2. RSVP-TE requests end-to-end resources for unidirectional data flow.
  3. RSVP-TE consults the local RSVP database to determine the path from source to destination.
  4. RSVP-TE generates a TED for storing traffic engineering information.

Answer(s): B



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