Nokia 4A0-220 Q&A - in .pdf

  • 4A0-220 pdf
  • Exam Code: 4A0-220
  • Exam Name: Nokia GMPLS-Controlled Optical Networks
  • Updated: Sep 19, 2026
  • Q & A: 40 Questions and Answers
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  • Updated: Sep 19, 2026
  • Q & A: 40 Questions and Answers
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  • 4A0-220 Testing Engine
  • Exam Code: 4A0-220
  • Exam Name: Nokia GMPLS-Controlled Optical Networks
  • Updated: Sep 19, 2026
  • Q & A: 40 Questions and Answers
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Nokia 4A0-220 Exam Syllabus Topics:

SectionWeightObjectives
GMPLS Protection and Restoration25%- Protection mechanisms
  • 1. 1+1, 1:1, shared protection
    • 2. PRC and SBR
      - Restoration across layers
      • 1. Multilayer survivability
        • 2. Restoration priority and coordination
          GMPLS Routing and Signaling Protocols25%- RSVP-TE for GMPLS
          • 1. Path and Resv messages
            • 2. Label allocation and signaling
              - OSPF-TE and IS-IS TE extensions
              • 1. Traffic engineering database
                • 2. Link and resource advertisement
                  GMPLS Service Provisioning and Operation20%- Maintenance and monitoring
                  • 1. Performance monitoring
                    • 2. Fault detection and isolation
                      - Creating and managing optical trails and services
                      • 1. Path computation and constraints
                        • 2. Tunnel and LSP provisioning
                          GMPLS Fundamentals and Architecture20%- GMPLS LSP types and characteristics
                          • 1. LSP attributes and metrics
                            • 2. L0, L1, and MRN LSPs
                              - GMPLS control plane overview
                              • 1. Layers and components
                                • 2. GMRE and NFM-T integration
                                  Advanced GMPLS Features10%- SRLG and path diversity
                                  - GMPLS optimization and scalability

                                  Nokia GMPLS-Controlled Optical Networks Sample Questions:

                                  Question #1

                                  How can you modify the SNC Nominal Route in NFM-T?

                                  • A. By using the Reroute Wizard to modify the constraints
                                  • B. By putting the LSP in Test mode and moving traffic
                                  • C. By changing the SRG constraints
                                  • D. By using the Constraint Wizard to modify the constraints
                                  Reveal Solution  Discussion  0

                                  Correct Answer: D  🗳️

                                  Explanation: Only visible for PracticeDump members. You can sign-up / login (it's free).

                                  Question #2

                                  What category of protocols is used by the ingress router to set up a new LSP?

                                  • A. Signaling protocols
                                  • B. Link aggregation protocols
                                  • C. Link management protocols
                                  • D. Coloring protocols
                                  Reveal Solution  Discussion  0

                                  Correct Answer: A  🗳️

                                  Explanation: Only visible for PracticeDump members. You can sign-up / login (it's free).

                                  Question #3

                                  Which of the following best describes the Shutting Down state in the NFM-T?

                                  • A. An automatic shut down of all LSPs in the TE-link
                                  • B. A transient state where current SNCs are soft-rerouted
                                  • C. It is the same as the administrative maintenance state. No new traffic can be routed over the TE-Unk
                                  • D. A soft maintenance state where new traffic is allowed for restoration
                                  Reveal Solution  Discussion  0

                                  Correct Answer: B  🗳️

                                  Explanation: Only visible for PracticeDump members. You can sign-up / login (it's free).

                                  Question #4

                                  What is a Nominal Route in a GMPLS network?

                                  • A. The best possible path at the moment
                                  • B. The optimal path that meets TE constraints
                                  • C. The least cost path according to the routing protocol
                                  • D. The nominal power path
                                  Reveal Solution  Discussion  0

                                  Correct Answer: B  🗳️

                                  Explanation: Only visible for PracticeDump members. You can sign-up / login (it's free).

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