Nokia GMPLS-Controlled Optical Networks : 4A0-220 exam dump

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Nokia 4A0-220 Exam Syllabus Topics:

Section	Weight	Objectives
GMPLS Service Provisioning and Operation	20%	- Creating and managing optical trails and services 1. Path computation and constraints 2. Tunnel and LSP provisioning - Maintenance and monitoring 1. Performance monitoring 2. Fault detection and isolation
Advanced GMPLS Features	10%	- GMPLS optimization and scalability - SRLG and path diversity
GMPLS Routing and Signaling Protocols	25%	- RSVP-TE for GMPLS 1. Path and Resv messages 2. Label allocation and signaling - OSPF-TE and IS-IS TE extensions 1. Traffic engineering database 2. Link and resource advertisement
GMPLS Fundamentals and Architecture	20%	- GMPLS LSP types and characteristics 1. LSP attributes and metrics 2. L0, L1, and MRN LSPs - GMPLS control plane overview 1. GMRE and NFM-T integration 2. Layers and components
GMPLS Protection and Restoration	25%	- Restoration across layers 1. Restoration priority and coordination 2. Multilayer survivability - Protection mechanisms 1. PRC and SBR 2. 1+1, 1:1, shared protection

Nokia GMPLS-Controlled Optical Networks Sample Questions:

1. How is the GMRE functionality guaranteed in Nokia equipment?

A) Rack redundancy guarantees GMRE functionality in case of a power outage
B) Controller redundancy guarantees GMRE functionality
C) Redundant LAN cables guarantee GMRE functionality
D) The specific software configuration guarantees GMRE functionality

2. 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) A soft maintenance state where new traffic is allowed for restoration
D) It is the same as the administrative maintenance state. No new traffic can be routed over the TE-Unk

3. What is a Nominal Route in a GMPLS network?

A) The least cost path according to the routing protocol
B) The best possible path at the moment
C) The nominal power path
D) The optimal path that meets TE constraints

4. Automation is one of the key features of GMPLS. What is its main benefit?

A) Reducing OPEX
B) Supporting multi-vendor networks
C) Providing resilience against multiple failures
D) Reducing CAPEX

Solutions:

Question # 1 Answer: B

Question # 2 Answer: B

Question # 3 Answer: D

Question # 4 Answer: A