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Guarantee your 4A0-255 exam success with examkiller's study guide. The 4A0-255 practice test questions are developed by experiences Nokia Certification Professionals who working in todays prospering companies and Nokia exam data center.

Exam Number: 4A0-255

Exam Title: Nokia Advanced Optical Network Design

Format: Single and Multiple Choice

Duration: 90 Minutes

Number of Questions: 40

Origin Provider: ExamKiller

Total Questions: 40 QAs

Type: Real Exam Questions

Guarantee: 100% Pass Guarantee

Demo: Click Here for Check Demo

Nokia 4A0-255 Exam Objectives

• 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)
• 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
• 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
• 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
• 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
• Design SBR and PRC services
• Identify solutions for latency optimization and measurements

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