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Nokia 4A0-255 Exam Syllabus

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Before starting your 4A0-255 exam preparation, it is recommended to review the complete Nokia Advanced Optical Network Design exam syllabus and carefully go through the exam objectives listed below. Once you understand the exam structure and objectives, you should practice using our free 4A0-255 questions. We also provide premium 4A0-255 practice test, fully updated according to the latest exam objectives, to help you accurately assess your preparedness for the actual exam.

Nokia
Vendor
4A0-255
Exam Code
40
Total Questions
6
Total Exam Domains

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4A0-255 EXAM QUESTIONS

Nokia 4A0-255 Exam Objectives

Section 1: Module 1 – Introduction to advanced network design
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  •     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)
Section 2: Module 2 – Assessing and improving the optical reach
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  •     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
Section 3: Module 3 – Bandwidth management
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  •     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
Section 4: Module 4 – Advanced architectures and networks
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  •     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
Section 5: Module 5 – Design networks with control plane enabled
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  •     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
Section 6: Module 6 – Advanced service requirements
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  •     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
Info
https://www.nokia.com/networks/training/onc/exams/advanced-optical-network-design/