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

4A0-220 Exam Simulator
  • Exam Code: 4A0-220
  • Exam Name: Nokia GMPLS-Controlled Optical Networks
  • Updated: Sep 18, 2026
  • Q & A: 40 Questions and Answers

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Nokia 4A0-220 Exam Syllabus Topics:

SectionWeightObjectives
GMPLS Fundamentals and Architecture20%- GMPLS control plane overview
  • 1. GMRE and NFM-T integration
    • 2. Layers and components
      - GMPLS LSP types and characteristics
      • 1. L0, L1, and MRN LSPs
        • 2. LSP attributes and metrics
          GMPLS Protection and Restoration25%- Protection mechanisms
          • 1. PRC and SBR
            • 2. 1+1, 1:1, shared protection
              - Restoration across layers
              • 1. Multilayer survivability
                • 2. Restoration priority and coordination
                  Advanced GMPLS Features10%- GMPLS optimization and scalability
                  - SRLG and path diversity
                  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. Link and resource advertisement
                        • 2. Traffic engineering database
                          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

                                  Nokia GMPLS-Controlled Optical Networks Sample Questions:

                                  Question #1

                                  How is the GMRE functionality guaranteed in Nokia equipment?

                                  • A. Controller redundancy guarantees GMRE functionality
                                  • B. Rack redundancy guarantees GMRE functionality in case of a power outage
                                  • C. The specific software configuration guarantees GMRE functionality
                                  • D. Redundant LAN cables guarantee GMRE functionality
                                  Reveal Solution  Discussion  0

                                  Correct Answer: A  🗳️

                                  Explanation: Only visible for Exam4PDF members. You can sign-up / login (it's free).

                                  Question #2

                                  How do you add a 3R resource to the NPA in NFM-T?

                                  • A. The resource is discovered automatically
                                  • B. The 3R is added in the Node panel and automatically added to the NPA
                                  • C. The trail is provisioned with 3R constraints and discovered automatically
                                  • D. The 3R is added to the NPA through the Constraint Wizard
                                  Reveal Solution  Discussion  0

                                  Correct Answer: D  🗳️

                                  Explanation: Only visible for Exam4PDF members. You can sign-up / login (it's free).

                                  Question #3

                                  How do you configure the Trail template in NFM-T for an Uplink board (such as 2UC400) in a network with only LI restoration capability?

                                  • A. Check the Logical Link box
                                    Set the Port Type to Unterminated Check the ASON Routed box Check the ASON Tunnel box
                                  • B. Uncheck the Logical Link box NSet the Port Type to Terminated
                                    Uncheck the ASON Routed box Uncheck the ASON Tunnel box
                                  • C. Uncheck the Logical Link box Set the Port Type to Terminated Check the ASON Routed box Check the ASON Tunnel box
                                  • D. Check the Logical Link box
                                    Set the Port Type to Unterminated Uncheck the ASON Routed box Uncheck the ASON Tunnel box
                                  Reveal Solution  Discussion  0

                                  Correct Answer: D  🗳️

                                  Explanation: Only visible for Exam4PDF members. You can sign-up / login (it's free).

                                  Question #4

                                  Which of the following statements best describes a distributed control plane for GMPLS?

                                  • A. The network is managed by more than one network management system.
                                  • B. Each router has software to run the GMPLS protocols and can modify the node's switching fabric.
                                  • C. The network manager controls all the routing for the network.
                                  • D. The control plane is active in some network nodes and not in others.
                                  Reveal Solution  Discussion  0

                                  Correct Answer: B  🗳️

                                  Explanation: Only visible for Exam4PDF members. You can sign-up / login (it's free).

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