Free 4A0-116 Sample Questions — Nokia Segment Routing

Free 4A0-116 sample questions for the Nokia Segment Routing exam. No account required: study at your own pace.

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Question 1

Which of the following statements about segment routing fast re-route is FALSE?

  • A. Fast re-route is a temporary fix that becomes active for a short period of time after a local network failure
  • B. Fast re-route typically protects the active segment of a tunnel, but under certain conditions it can protect an end-to-end multi-segment tunnel instead
  • C. On a Nokia 7750 SR, R-LFA and TI-LFA can be enabled independently of each other
  • D. The parameter “max-sr-frr-labels” limits the number of labels that R-LFA can add to the data packet encapsulation
Show Answer
Correct Answer:
D. The parameter “max-sr-frr-labels” limits the number of labels that R-LFA can add to the data packet encapsulation
Question 2

Which of the following is not required to be advertised by a router participating in Segment Routing?

  • A. Local Node-SID
  • B. Adjacency-SIDs
  • C. Support for SR-MPLS for IPv4 or IPv6, or SRv6
  • D. SRGB when SRv6 is configured
Show Answer
Correct Answer:
D. SRGB when SRv6 is configured
Question 3

Which of the following is NOT an advantage of using a PCE for the computation of TE-constrained LSP paths, as compared to using CSPF locally on the PE router?

  • A. The ability to create cross-area TE-constrained LSP paths
  • B. The ability to create LSP paths with bandwidth reservation
  • C. The ability to create LSPs with primary and secondary paths
  • D. The ability to ensure that some LSP paths are disjoint
Show Answer
Correct Answer:
C. The ability to create LSPs with primary and secondary paths
Question 4

Which of the following statements about Segment Routing tunnels is FALSE?

  • A. Segment Routing tunnel defined by a Node-SID uses the shortest IGP Path
  • B. Segment Routing tunnel can be defined by multiple Node-SIDs
  • C. Segment Routing tunnel can be defined by a combination of Node-SIDs and Adjacency-SIDs
  • D. For a Segment Routing tunnel, an intermediate router will always forward the packet based on the best IGP path
Show Answer
Correct Answer:
D. For a Segment Routing tunnel, an intermediate router will always forward the packet based on the best IGP path
Question 5

In the context of a network that includes a Path Computation Element (PCE), what is a PCC-initiated LSP?

  • A. An LSP that needs to be explicitly configured on the head-end router
  • B. An LSP for which the initial path is calculated by the head-end router
  • C. An LSP for which the path repairs and re-optimizations must be triggered by the head-end router
  • D. An LSP whose existence and state are reported to the PCE
Show Answer
Correct Answer:
A. An LSP that needs to be explicitly configured on the head-end router

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