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Updated: Sep 20, 2026
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Nokia 4A0-220 exam is designed to test the knowledge and skills of professionals who work with GMPLS-controlled optical networks. 4A0-220 exam covers a range of topics related to the design, deployment, and maintenance of these networks, including the key protocols and technologies used in GMPLS-controlled optical networks.
Nokia 4A0-220 Exam Overview:
| Certification Vendor: | Nokia |
|---|---|
| Exam Name: | GMPLS-Controlled Optical Networks |
| Exam Number: | 4A0-220 |
| Real Exam Qty: | 60 |
| Exam Duration: | 90 minutes |
| Related Certifications: | MPLS/GMPLS Fundamentals Nokia Optical Networks |
| Available Languages: | English |
| Passing Score: | 70-80% |
| Exam Format: | Scenario-based Questions, Multiple Choice |
| 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 certification exam is designed to test the knowledge and skills of professionals who work with Nokia GMPLS-controlled optical networks. This certificate is ideal for network engineers, architects, and administrators who are responsible for designing, deploying, and managing optical networks using Nokia equipment. 4A0-220 exam is a comprehensive assessment of the candidate's understanding of the Nokia GMPLS-controlled optical network architecture, protocols, and operations.
Nokia 4A0-220 exam consists of 60 multiple-choice questions, and candidates have 90 minutes to complete the test. To pass the exam, candidates must achieve a minimum score of 80%, and they must renew their certification by retaking the exam every three years. Overall, the Nokia 4A0-220 certification offers networking professionals the opportunity to enhance their skills and knowledge in GMPLS-controlled optical networks, which can lead to increased career opportunities and a higher earning potential.
Reference: https://www.nokia.com/networks/training/onc/exams/gmpls/
Nokia 4A0-220 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| GMPLS Fundamentals | - MPLS extensions for optical networks
|
| Optical Transport Networks | - WDM and DWDM systems
|
| Protection and Restoration | - Failure recovery strategies
|
| Control Plane Protocols | - RSVP-TE signaling
|
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