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Last Updated: Sep 12, 2026
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Nokia 4A0-220 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Control Plane Protocols | - Routing protocols
|
| GMPLS Fundamentals | - MPLS extensions for optical networks
|
| Optical Transport Networks | - OTN architecture
|
| Protection and Restoration | - Failure recovery strategies
|
Nokia GMPLS-Controlled Optical Networks Sample Questions:
Which of the following best describes the Shutting Down state in the NFM-T?
- A. An automatic shut down of all LSPs in the TE-link
- 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. A soft maintenance state where new traffic is allowed for restoration
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What is the GMRE notify address?
- A. The OSPF-TE broadcast IP used to flood the link adjacency information
- B. An IP address used to signal failures on downstream nodes upstream to the head node
- C. The LMP Control Channel ID. This field contains the IPv4 address of the ingress LER as a global unique identifier
- D. The email exchange server to notify the operators of network failures
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What is a Label Switched Path (LSP)?
- A. The path created by MPLS nodes
- B. A protocol used by nodes to exchange information about the state of labels
- C. A switched protection path
- D. A High Order Container for client signal
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What is the purpose of the Upstream Label Object in RSVP-TE?
- A. It allows a node to restrict the labels that may be used downstream.
- B. It indicates the LSP flow direction.
- C. It signals resource reservation information to upstream nodes.
- D. It allows for a label to be suggested to provision bidirectional LSPs.
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