Nokia : 4A0-220 Questions & Answers
Updated: Jul 28, 2026
No. of Questions: 40 Questions & Answers with Testing Engine
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Nokia 4A0-220 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Protection and Restoration Mechanisms | - Source Based Restoration (SBR) - Protection and Restoration Combined (PRC) |
| Topic 2: GMPLS Control Plane Concept and Architecture | - GMPLS architecture components - Control Plane principles |
| Topic 3: GMPLS Protocols | - RSVP-TE - OSPF-TE - Link Management Protocols (LMP) |
| Topic 4: Layer Networks (L0, L1, MRN) | - Multi-Region Networks (MRN) - L1 Network concepts - L0 Network concepts |
| Topic 5: GMPLS Maintenance and Operations | - Operational tasks - Maintenance principles |
Nokia GMPLS-Controlled Optical Networks Sample Questions:
1. Which of the following information is present in every GMPLS-enabled node?
A) The state of each link in the entire network
B) The list of LSPs created in the entire network
C) The bandwidth of each client path in the entire network
D) The frequency of each client path in the entire network
2. What is the GMRE notify address?
A) An IP address used to signal failures on downstream nodes upstream to the head node
B) The OSPF-TE broadcast IP used to flood the link adjacency information
C) The email exchange server to notify the operators of network failures
D) The LMP Control Channel ID. This field contains the IPv4 address of the ingress LER as a global unique identifier
3. Which of the following best describes the Soft Shutting Down state in the NFM-T?
A) A soft synchronization state where new traffic is not allowed
B) A transient state where current SNCs are soft-rerouted away from the TE-link
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
4. How do you add a 3R resource to the NPA in NFM-T?
A) The 3R is added in the Node panel and automatically added to the NPA
B) The trail is provisioned with 3R constraints and discovered automatically
C) The 3R is added to the NPA through the Constraint Wizard
D) The resource is discovered automatically
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: D | Question # 4 Answer: C |
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