Prepare with Nokia 4A0-220 exam practice material, pass for sure
Updated: Aug 02, 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 Duration: | 90 minutes |
| Real Exam Qty: | 40 |
| Available Languages: | English |
| Exam Format: | Multiple Choice |
| Related Certifications: | Nokia Certified Optical Network Services Expert Nokia Certified Optical Network Architect |
| Exam Price: | 125 USD |
| 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 |
|---|---|
| Layer Networks (L0, L1, MRN) | - Multi-Region Networks (MRN) - L1 Network concepts - L0 Network concepts |
| Protection and Restoration Mechanisms | - Source Based Restoration (SBR) - Protection and Restoration Combined (PRC) |
| GMPLS Maintenance and Operations | - Maintenance principles - Operational tasks |
| GMPLS Protocols | - RSVP-TE - OSPF-TE - Link Management Protocols (LMP) |
| GMPLS Control Plane Concept and Architecture | - GMPLS architecture components - Control Plane principles |
Nokia GMPLS-Controlled Optical Networks Sample Questions:
1. Which of the following best describes the Soft Shutting Down state in the NFM-T?
A) A transient state where current SNCs are soft-rerouted away from the TE-link
B) A soft synchronization state where new traffic is not allowed
C) An automatic shutdown of a TE-link and all of the LSPs in the TE-link
D) An administrative maintenance state where services stay up but no new traffic can be routed over the TE-link
2. Which categories of protocols are included in the GMPLS technology?
A) Signaling, routing, and forwarding
B) Routing, signaling, and link management
C) Routing, grooming, and signaling
D) Link management, signaling, and switching
3. Which of the following statements best describes a distributed control plane for GMPLS?
A) The network is managed by more than one network management system.
B) The control plane is active in some network nodes and not in others.
C) The network manager controls all the routing for the network.
D) Each router has software to run the GMPLS protocols and can modify the node's switching fabric.
4. In a 1830PSS MRN network, when can groups of links be combined (bundled) together in a single TE-Link?
A) Only within layer 0 networks
B) Never
C) Only within layer 1 networks
D) Both within layer 0 and 1 networks
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B | Question # 3 Answer: D | Question # 4 Answer: D |
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