Nokia 4A0-220 actual dump : Nokia GMPLS-Controlled Optical Networks

4A0-220
  • 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:

SectionObjectives
Topic 1: Layer Networks (L0, L1, MRN)- L0 Network concepts
- L1 Network concepts
- Multi-Region Networks (MRN)
Topic 2: GMPLS Maintenance and Operations- Maintenance principles
- Operational tasks
Topic 3: GMPLS Control Plane Concept and Architecture- Control Plane principles
- GMPLS architecture components
Topic 4: Protection and Restoration Mechanisms- Protection and Restoration Combined (PRC)
- Source Based Restoration (SBR)
Topic 5: GMPLS Protocols- OSPF-TE
- RSVP-TE
- Link Management Protocols (LMP)

Nokia GMPLS-Controlled Optical Networks Sample Questions:

Question #1

How are L0 and L1 resources coordinated in case of a failure in an MRN?

  • A. Coordination is achieved by setting the WSR parameter
  • B. Coordination is achieved by setting the color constraints
  • C. Coordination is achieved by comparing the Setup Priorities
  • D. Coordination is achieved by segregation of color and colorless LSPs
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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Question #2

What is the purpose of the Upstream Label Object in RSVP-TE?

  • A. It allows for a label to be suggested to provision bidirectional LSPs.
  • B. It indicates the LSP flow direction.
  • C. It allows a node to restrict the labels that may be used downstream.
  • D. It signals resource reservation information to upstream nodes.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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Question #3

What is a Nominal Route in a GMPLS network?

  • A. The nominal power path
  • B. The best possible path at the moment
  • C. The least cost path according to the routing protocol
  • D. The optimal path that meets TE constraints
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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Question #4

What does an SNC state of lower case "n" mean for a resource in NFM-T?

  • A. Indicates if s a higher alarm state level
  • B. Indicates it's using a link other than the Nominal
  • C. Indicates it's currently using the Nominal resource assigned to it
  • D. Indicates the nominal resource on a TE-link that is not in use
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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