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100% Nokia 4A0-220 Guaranteed Success With Testing Engine

Exam Code: 4A0-220

Exam Name: Nokia GMPLS-Controlled Optical Networks

Updated: Sep 14, 2026

Number: 40 Q&As with Testing Engine

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Nokia 4A0-220 Exam Overview:

Certification Vendor:Nokia
Exam Name:GMPLS-Controlled Optical Networks
Exam Number:4A0-220
Related Certifications:MPLS/GMPLS Fundamentals
Nokia Optical Networks
Real Exam Qty:60
Passing Score:70-80%
Exam Duration:90 minutes
Available Languages:English
Exam Format:Multiple Choice, Scenario-based Questions
Recommended Training:Nokia Optical Networking Learning Paths
Exam Registration:Nokia Training and Certification Portal
Sample Questions:Nokia 4A0-220 Sample Questions
Exam Way:Online or test center-based (varies by region and provider)
Pre Condition:Recommended knowledge of IP/MPLS networking and basic optical transport concepts
Official Syllabus URL:https://www.nokia.com/networks/training/

Nokia 4A0-220 Exam Syllabus Topics:

SectionObjectives
Control Plane Protocols- Routing protocols
  • 1. OSPF-TE extensions
    • 2. IS-IS traffic engineering
      - RSVP-TE signaling
      • 1. Resource reservation
        • 2. Path setup and teardown
          Protection and Restoration- Network resiliency mechanisms
          • 1. Fast reroute mechanisms
            • 2. 1+1 protection schemes
              - Failure recovery strategies
              • 1. Link/node failure recovery
                • 2. Traffic restoration techniques
                  Optical Transport Networks- OTN architecture
                  • 1. OTUk/ODUk structure
                    • 2. Mapping and grooming
                      - WDM and DWDM systems
                      • 1. Channel multiplexing
                        • 2. Optical spectrum management
                          GMPLS Fundamentals- MPLS extensions for optical networks
                          • 1. LSP concepts in optical domain
                            • 2. Traffic engineering principles
                              - GMPLS architecture overview
                              • 1. Label switching technologies
                                • 2. Control plane vs data plane

                                  Nokia GMPLS-Controlled Optical Networks Sample Questions:

                                  Question #1
                                  What is the Commissioning File in GMRE nodes?

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


                                  Question #2
                                  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


                                  Question #3
                                  What does the SNC state with an uppercase "N" mean in a resource in NFM-T?

                                  A. Indicates the nominal resource on a TE-link that is not in use
                                  B. Indicates if s a higher alarm state level
                                  C. Indicates it's currently using the Nominal resource assigned to it
                                  D. Indicates it's using a link other than the Nominal


                                  Question #4
                                  When should two physical connections belong to the same SRG?

                                  A. When they are fully disjoint respective to the risk of failure
                                  B. When they are both selected during the setup process
                                  C. When one is the protection of the other
                                  D. When they share the same risk of failure


                                  Solutions:

                                  Question #1
                                  Correct Answer: C
                                  Question #2
                                  Correct Answer: B
                                  Question #3
                                  Correct Answer: C
                                  Question #4
                                  Correct Answer: D

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