Exam Name: Nokia GMPLS-Controlled Optical Networks
Certification Provider: Nokia
Corresponding Certification: Nokia Optical Network Services Expert
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Updated: Aug 05, 2026
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Nokia 4A0-220 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Protection and Restoration Mechanisms | - Source Based Restoration (SBR) - Protection and Restoration Combined (PRC) |
| GMPLS Maintenance and Operations | - Maintenance principles - Operational tasks |
| GMPLS Control Plane Concept and Architecture | - GMPLS architecture components - Control Plane principles |
| Layer Networks (L0, L1, MRN) | - Multi-Region Networks (MRN) - L0 Network concepts - L1 Network concepts |
| GMPLS Protocols | - Link Management Protocols (LMP) - OSPF-TE - RSVP-TE |
Nokia GMPLS-Controlled Optical Networks Sample Questions:
1. What is Tunnel Property Heritage?
A) A restored tunnel inherits the ODUk flows.
B) The hierarchy tunnels cannot be nested unless they share the same properties.
C) Maximum allowed bandwith is propagated from HO to LO LSPs.
D) Cost, SRLG, and Color properties are propagated from HO to LO LSPs.
2. How can you modify the SNC Nominal Route in NFM-T?
A) By putting the LSP in Test mode and moving traffic
B) By using the Constraint Wizard to modify the constraints
C) By changing the SRG constraints
D) By using the Reroute Wizard to modify the constraints
3. Which of the following statements best describes a distributed control plane for GMPLS?
A) Each router has software to run the GMPLS protocols and can modify the node's switching fabric.
B) The network is managed by more than one network management system.
C) The network manager controls all the routing for the network.
D) The control plane is active in some network nodes and not in others.
4. What is the meaning of Generalized in GMPLS?
A) The label can assume an extended value range, and is not constrained as it is with MPLS
B) GMPLS can be used for traffic types other than data packets
C) Unlike MPLS, GMPLS supports multi-vendor networks
D) Switching can be based on values other than the label
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: B |
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