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Updated: Aug 30, 2026
No. of Questions: 40 Questions & Answers with Testing Engine
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Nokia 4A0-220 Exam Overview:
| Certification Vendor: | Nokia |
|---|---|
| Exam Name: | Nokia GMPLS-controlled Optical Networks |
| Exam Number: | 4A0-220 |
| Real Exam Qty: | 40 |
| Exam Price: | 125 USD |
| Related Certifications: | Nokia Certified Optical Network Architect Nokia Certified Optical Network Services Expert |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Exam Format: | Multiple Choice |
| Sample Questions: | Nokia 4A0-220 Sample Questions |
| Exam Way: | Written exam delivered through Pearson VUE |
| Pre Condition: | None |
| Official Syllabus URL: | https://www.nokia.com/networks/training/onc/exams/gmpls/ |
Nokia 4A0-220 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: GMPLS Maintenance and Operations | - Operational tasks - Maintenance principles |
| Topic 2: GMPLS Protocols | - OSPF-TE - RSVP-TE - Link Management Protocols (LMP) |
| Topic 3: GMPLS Control Plane Concept and Architecture | - Control Plane principles - GMPLS architecture components |
| Topic 4: Layer Networks (L0, L1, MRN) | - L0 Network concepts - Multi-Region Networks (MRN) - L1 Network concepts |
| Topic 5: Protection and Restoration Mechanisms | - Source Based Restoration (SBR) - Protection and Restoration Combined (PRC) |
Nokia GMPLS-Controlled Optical Networks Sample Questions:
Question 1
How is the GMRE functionality guaranteed in Nokia equipment?
A. The specific software configuration guarantees GMRE functionality
B. Redundant LAN cables guarantee GMRE functionality
C. Rack redundancy guarantees GMRE functionality in case of a power outage
D. Controller redundancy guarantees GMRE functionality
Question 2
What is the Feasibility File in GMRE nodes?
A. A file of optical impairment parameters for power balance
B. A file with commissioned GMRE nodes for NPA implementation
C. A file with target values that determine whether a given LSP can be routed
D. A control checklist for the operator
Question 3
What is the Link Maintenance window?
A. A centralized alarm manager
B. A centralized view of the TE-link for the operator
C. A wizard for modifying TE-link attributes
D. A wizard with commands to set links and nodes to maintenance
Question 4
When should two physical connections belong to the same SRG?
A. When they are both selected during the setup process
B. When one is the protection of the other
C. When they share the same risk of failure
D. When they are fully disjoint respective to the risk of failure
Solutions:
| Question 1 Answer: D | Question 2 Answer: C | Question 3 Answer: D | Question 4 Answer: C |
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