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Updated: Sep 13, 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 |
| Exam Price: | $125 USD |
| Available Languages: | English |
| Exam Format: | Scenario-based, Multiple Select, Multiple Choice |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 40 |
| Passing Score: | 80% |
| Related Certifications: | Nokia Optical Network Architect |
| Recommended Training: | Official Practice Exam Nokia GMPLS-Controlled Optical Networks Course |
| Exam Registration: | Nokia Exam Page Pearson VUE Registration |
| Sample Questions: | Nokia 4A0-220 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; recommended knowledge of optical networking and basic MPLS |
| Official Syllabus URL: | https://www.nokia.com/networks/training/onc/exams/gmpls/ |
Nokia 4A0-220 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Advanced GMPLS Features | 10% | - SRLG and path diversity - GMPLS optimization and scalability |
| Topic 2: GMPLS Routing and Signaling Protocols | 25% | - OSPF-TE and IS-IS TE extensions
|
| Topic 3: GMPLS Protection and Restoration | 25% | - Restoration across layers
|
| Topic 4: GMPLS Fundamentals and Architecture | 20% | - GMPLS LSP types and characteristics
|
| Topic 5: GMPLS Service Provisioning and Operation | 20% | - Creating and managing optical trails and services
|
Nokia GMPLS-Controlled Optical Networks Sample Questions:
Which of the following best describes the Shutting Down state in the NFM-T?
- A. A soft maintenance state where new traffic is allowed for restoration
- B. A transient state where current SNCs are soft-rerouted
- C. It is the same as the administrative maintenance state. No new traffic can be routed over the TE-Unk
- D. An automatic shut down of all LSPs in the TE-link
Correct Answer: B 🗳️
Explanation: Only visible for Pass4training members. You can sign-up / login (it's free).
What is Tunnel Property Heritage?
- A. A restored tunnel inherits the ODUk flows.
- B. Maximum allowed bandwith is propagated from HO to LO LSPs.
- C. The hierarchy tunnels cannot be nested unless they share the same properties.
- D. Cost, SRLG, and Color properties are propagated from HO to LO LSPs.
Correct Answer: D 🗳️
Explanation: Only visible for Pass4training members. You can sign-up / login (it's free).
How can you modify the SNC Nominal Route in NFM-T?
- A. By changing the SRG constraints
- B. By putting the LSP in Test mode and moving traffic
- C. By using the Constraint Wizard to modify the constraints
- D. By using the Reroute Wizard to modify the constraints
Correct Answer: C 🗳️
Explanation: Only visible for Pass4training members. You can sign-up / login (it's free).
Which of the following is not a key feature of GMPLS?
- A. Resource optimization
- B. Self-discovery
- C. Restoration
- D. Fast protection
Correct Answer: A 🗳️
Explanation: Only visible for Pass4training members. You can sign-up / login (it's free).
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