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Nokia

4A0-C01 · Question #612

Which of the following devices inspects the MPLS header in the received packet, and exchanges it for a new MPLS header?

The correct answer is C. The head-end router performs the CSPF calculation for an LSP. See the full explanation below for the reasoning.

Question

Which of the following devices inspects the MPLS header in the received packet, and exchanges it for a new MPLS header?

Options

  • AiLER
  • BCSPF calculations are always performed on RSVP-TE based LSPs.
  • CThe head-end router performs the CSPF calculation for an LSP.
  • DEach downstream router performs its own CSPF calculation for an LSP.
  • EeLER

How the community answered

(29 responses)
  • A
    3% (1)
  • B
    14% (4)
  • C
    72% (21)
  • D
    7% (2)
  • E
    3% (1)

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