Purchase Nokia : 4A0-220 Exam Materials and then pass exam easily
Updated: Aug 08, 2026
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Nokia 4A0-220 Exam Overview:
| Certification Vendor: | Nokia |
| Exam Name: | GMPLS-Controlled Optical Networks |
| Exam Number: | 4A0-220 |
| Related Certifications: | Nokia Optical Networks MPLS/GMPLS Fundamentals |
| Real Exam Qty: | 60 |
| Exam Format: | Multiple Choice, Scenario-based Questions |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Passing Score: | 70-80% |
| 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:
| Section | Objectives |
|---|---|
| Topic 1: Optical Transport Networks | - OTN architecture
|
| Topic 2: Protection and Restoration | - Failure recovery strategies
|
| Topic 3: Control Plane Protocols | - RSVP-TE signaling
|
| Topic 4: GMPLS Fundamentals | - MPLS extensions for optical networks
|
Nokia GMPLS-Controlled Optical Networks Sample Questions:
1. What does an SNC state of lower case "n" mean for a resource in NFM-T?
A) Indicates it's using a link other than the Nominal
B) Indicates if s a higher alarm state level
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
2. When should two physical connections belong to the same SRG?
A) When they are fully disjoint respective to the risk of failure
B) When one is the protection of the other
C) When they share the same risk of failure
D) When they are both selected during the setup process
3. What is a Nominal Route in a GMPLS network?
A) The best possible path at the moment
B) The least cost path according to the routing protocol
C) The nominal power path
D) The optimal path that meets TE constraints
4. How is the GMRE functionality guaranteed in Nokia equipment?
A) Controller redundancy guarantees GMRE functionality
B) The specific software configuration guarantees GMRE functionality
C) Redundant LAN cables guarantee GMRE functionality
D) Rack redundancy guarantees GMRE functionality in case of a power outage
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: A |
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