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Nokia 4A0-220 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Layer Networks (L0, L1, MRN) | - L0 Network concepts - Multi-Region Networks (MRN) - L1 Network concepts |
| Topic 2: GMPLS Protocols | - Link Management Protocols (LMP) - OSPF-TE - RSVP-TE |
| Topic 3: GMPLS Control Plane Concept and Architecture | - GMPLS architecture components - Control Plane principles |
| Topic 4: GMPLS Maintenance and Operations | - Maintenance principles - Operational tasks |
| Topic 5: Protection and Restoration Mechanisms | - Protection and Restoration Combined (PRC) - Source Based Restoration (SBR) |
Nokia GMPLS-Controlled Optical Networks Sample Questions:
1. How is the GMRE functionality guaranteed in Nokia equipment?
A) Redundant LAN cables guarantee GMRE functionality
B) The specific software configuration guarantees GMRE functionality
C) Controller redundancy guarantees GMRE functionality
D) Rack redundancy guarantees GMRE functionality in case of a power outage
2. Which of the following statements about the Wait for Server Restoration (WSR) parameter in the MRN is correct?
A) When WSR is true, the LO optical channel remains in the link until the failure is fixed.
B) When WSR is false, the LI services do not wait for the LO restoration and restore through LI switching.
C) When WSR is true, the LO channels do not wait for the LI services to restore.
D) When WSR is false, if the failed optical channel can be restored at LO, the data traffic stays in the tunnel.
3. What is the purpose of preemption when establishing an LSP?
A) To pick the next hop during LSP signalling
B) To assign the correct wavelengths depending on the type of traffic
C) To measure the end-to-end latency
D) To tear down an existing LSP in order to accommodate higher priority traffic
4. A network with ROADM GMPLS nodes and optical transponder connections could have:
A) L0 and LI restoration capabilities
B) No restoration capabilities
C) L1 restoration capabilities
D) L0 restoration capabilities
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B | Question # 3 Answer: D | Question # 4 Answer: A |
