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

  • 4A0-220 pdf
  • Exam Code: 4A0-220
  • Exam Name: Nokia GMPLS-Controlled Optical Networks
  • Updated: Sep 01, 2026
  • Q & A: 40 Questions and Answers
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  • 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 01, 2026
  • Q & A: 40 Questions and Answers
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4A0-220 Practice Dumps

Nokia 4A0-220 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: GMPLS Fundamentals and Architecture20%- GMPLS control plane overview
  • 1. Layers and components
    • 2. GMRE and NFM-T integration
      - GMPLS LSP types and characteristics
      • 1. L0, L1, and MRN LSPs
        • 2. LSP attributes and metrics
          Topic 2: 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
                  Topic 3: GMPLS Protection and Restoration25%- Restoration across layers
                  • 1. Restoration priority and coordination
                    • 2. Multilayer survivability
                      - Protection mechanisms
                      • 1. PRC and SBR
                        • 2. 1+1, 1:1, shared protection
                          Topic 4: 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 5: Advanced GMPLS Features10%- GMPLS optimization and scalability
                                  - SRLG and path diversity

                                  Nokia GMPLS-Controlled Optical Networks Sample Questions:

                                  Question 1

                                  Which of the following parameters is not considered when restoring an LSP?

                                  A. Reservation priority
                                  B. Maximum latency
                                  C. Equipment vendor
                                  D. Coloring


                                  Question 2

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

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


                                  Question 3

                                  What is a Label Switched Path (LSP)?

                                  A. The path created by MPLS nodes
                                  B. A High Order Container for client signal
                                  C. A switched protection path
                                  D. A protocol used by nodes to exchange information about the state of labels


                                  Question 4

                                  In a 1830PSS MRN network, when can groups of links be combined (bundled) together in a single TE-Link?

                                  A. Only within layer 1 networks
                                  B. Never
                                  C. Only within layer 0 networks
                                  D. Both within layer 0 and 1 networks


                                  Solutions:

                                  Question 1
                                  Answer: C
                                  Question 2
                                  Answer: B
                                  Question 3
                                  Answer: A
                                  Question 4
                                  Answer: D

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