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Nokia 4A0-220 Exam Braindumps - in .pdf Free Demo

  • Exam Code: 4A0-220
  • Exam Name: Nokia GMPLS-Controlled Optical Networks
  • Last Updated: Jul 25, 2026
  • Q & A: 40 Questions and Answers
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  • Exam Code: 4A0-220
  • Exam Name: Nokia GMPLS-Controlled Optical Networks
  • Last Updated: Jul 25, 2026
  • Q & A: 40 Questions and Answers
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Nokia 4A0-220 Exam Syllabus Topics:

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

                                  Nokia GMPLS-Controlled Optical Networks Sample Questions:

                                  1. Which of the following is not a GMPLS protocol?

                                  A) OSPF-TE
                                  B) SFD
                                  C) LMP
                                  D) RSVP-TE


                                  2. What is Tunnel Property Heritage?

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


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

                                  A) By changing the SRG constraints
                                  B) By using the Constraint Wizard to modify the constraints
                                  C) By putting the LSP in Test mode and moving traffic
                                  D) By using the Reroute Wizard to modify the constraints


                                  4. What is a Nominal Route in a GMPLS network?

                                  A) The nominal power path
                                  B) The optimal path that meets TE constraints
                                  C) The least cost path according to the routing protocol
                                  D) The best possible path at the moment


                                  Solutions:

                                  Question # 1
                                  Answer: B
                                  Question # 2
                                  Answer: B
                                  Question # 3
                                  Answer: B
                                  Question # 4
                                  Answer: B

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