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Nokia 4A0-220 Exam : Nokia GMPLS-Controlled Optical Networks

4A0-220 actual test
  • Exam Code: 4A0-220
  • Exam Name: Nokia GMPLS-Controlled Optical Networks
  • Updated: Sep 13, 2026
  • Q & A: 40 Questions and Answers
  • PDF Demo
  • PC Test Engine
  • Online Test Engine
  • Total Price: $59.99  

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Nokia 4A0-220 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: GMPLS Fundamentals and Architecture20%- GMPLS LSP types and characteristics
  • 1. L0, L1, and MRN LSPs
    • 2. LSP attributes and metrics
      - GMPLS control plane overview
      • 1. GMRE and NFM-T integration
        • 2. Layers and components
          Topic 2: GMPLS Routing and Signaling Protocols25%- RSVP-TE for GMPLS
          • 1. Label allocation and signaling
            • 2. Path and Resv messages
              - OSPF-TE and IS-IS TE extensions
              • 1. Link and resource advertisement
                • 2. Traffic engineering database
                  Topic 3: GMPLS Protection and Restoration25%- Protection mechanisms
                  • 1. PRC and SBR
                    • 2. 1+1, 1:1, shared protection
                      - Restoration across layers
                      • 1. Restoration priority and coordination
                        • 2. Multilayer survivability
                          Topic 4: Advanced GMPLS Features10%- SRLG and path diversity
                          - GMPLS optimization and scalability
                          Topic 5: GMPLS Service Provisioning and Operation20%- Maintenance and monitoring
                          • 1. Performance monitoring
                            • 2. Fault detection and isolation
                              - Creating and managing optical trails and services
                              • 1. Tunnel and LSP provisioning
                                • 2. Path computation and constraints

                                  Nokia GMPLS-Controlled Optical Networks Sample Questions:

                                  Question #1

                                  What is Tunnel Property Heritage?

                                  • A. A restored tunnel inherits the ODUk flows.
                                  • B. Cost, SRLG, and Color properties are propagated from HO to LO LSPs.
                                  • C. Maximum allowed bandwith is propagated from HO to LO LSPs.
                                  • D. The hierarchy tunnels cannot be nested unless they share the same properties.
                                  Reveal Solution  Discussion  0

                                  Correct Answer: B  🗳️

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                                  Question #2

                                  Which of the following is not a key feature of GMPLS?

                                  • A. Resource optimization
                                  • B. Restoration
                                  • C. Self-discovery
                                  • D. Fast protection
                                  Reveal Solution  Discussion  0

                                  Correct Answer: A  🗳️

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                                  Question #3

                                  What is the Commissioning File in GMRE nodes?

                                  • A. A control checklist for the operator
                                  • B. A file of optical impairment parameters for power balance
                                  • C. A file with target values that determine whether a given LSP is possible
                                  • D. A file with commissioned GMRE nodes for NPA implementation
                                  Reveal Solution  Discussion  0

                                  Correct Answer: C  🗳️

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                                  Question #4

                                  Which provisioning steps arecommon in both CP to plain MP networks?

                                  • A. Node creation
                                    CPB provisioning process Node synchronization NPA implementation
                                  • B. Node creation
                                    CPB provisioning process Node synchronization CPB power balance
                                  • C. Node creation SRG creation Node synchronization CPB power balance
                                  • D. Node creation
                                    CPB provisioning process Link association CPB power balance
                                  Reveal Solution  Discussion  0

                                  Correct Answer: B  🗳️

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

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