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Nokia 4A0-255 Exam Topics

Nokia 4A0-255 Exam Overview :

Exam Name: Nokia Advanced Optical Network Design
Exam Code: 4A0-255
Certifications: Nokia Optical Network Design Expert Certification
Actual Exam Duration: 90 minutes
Expected no. of Questions in Actual Exam: 40
Exam Registration Price: $125
See Expected Questions: Nokia 4A0-255 Expected Questions in Actual Exam

Nokia 4A0-255 Exam Objectives :

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
Official Information https://www.nokia.com/networks/training/onc/exams/advanced-optical-network-design/

Updates in the Nokia 4A0-255 Exam Topics:

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