Nokia 4A0-255 Exam Topics

Nokia 4A0-255 Exam

Nokia Advanced Optical Network Design

Total Questions: 40

Last Updated : 06-04-2024

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Nokia 4A0-255 Exam Overview :

Exam Name	Nokia Advanced Optical Network Design
Exam Code	4A0-255
Actual Exam Duration	90 minutes
Expected no. of Questions in Actual Exam	40
Exam Registration Price	$125
Official Information	https://www.nokia.com/networks/training/onc/exams/advanced-optical-network-design/
See Expected Questions	Nokia 4A0-255 Expected Questions in Actual Exam
Take Self-Assessment	Use Nokia 4A0-255 Practice Test to Assess your preparation - Save Time and Reduce Chances of Failure

Nokia 4A0-255 Exam Topics :

Section	Objectives
Module 1 – Introduction to advanced network design	Describe advanced EPT design options (including CDC, GMPLS, flexible grid, C+L, etc.) Explain advanced customer requirements (resilience, latency, encryption, synchronization) Design a network accounting for medium to long-term growth Describe the concept of trail grooming (including backplane switching and cascading)
Module 2 – Assessing and improving the optical reach	Analyze traffic in the given double-ring design Configure grooming optimizing the equipment slot allocation Describe linear and non-linear impairments Describe link power budget, OSNR, Q-factor and BER Describe the advantages of Forward Error Correction (FEC) Describe available solutions (3R, ILA, DGE, Raman) for extending the optical reach
Module 3 – Bandwidth management	Identify the advantages and limitations of Raman amplification Explain the advantages of DGE nodes in long-haul designs Design a mesh topology with ROADM architecture Find alternative routes with better OSNR Describe coherent transmission and modulation techniques Explain polarization multiplexing Explain the advantages of different modulation formats Explain the concept of Probabilistic Constellation Shaping (PCS) Define low Automatic Spontaneous Emission (ASE) OTs segregation Describe network design with alien signals Explain the concept of buckets Design a linear topology with flexible grid
Module 4 – Advanced architectures and networks	Design a network with no ASE noise OTs segregation Describe CDC-F 2.0 hardware with Integrated ROADMs (iROADMs) Explain the C+L band architecture Analyze C and L bands traffic demands Design a mesh topology based on CDC-F and CDC-F 2.0 How to determine the number of network elements and their location Define NE hardware manually to optimize cost
Module 5 – Design networks with control plane enabled	Describe the GMPLS (L0, L1 and MRN) control plane Design networks with control plane enabled List the possible restoration mechanisms Describe protection and restoration combinations Analyze nominal and restoration routes in EPT Describe SRG and “failure scope” configuration Describe the EPT GMPLS audit function Design a CDC-F network with GMPLS enabled
Module 6 – Advanced service requirements	Design SBR and PRC services Identify solutions for latency optimization and measurements Describe L1 encryption solution Explain OTDR implementation Describe how synchronization can be transported through a WDM network Design latency-constrained services Implement solutions for synchronized applications

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