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Nokia 4A0-255 Exam

Certification Provider: Nokia
Exam Name: Nokia Advanced Optical Network Design
Duration: 90 Minutes
Number of questions in our database: 40
Exam Version: Jun. 20, 2022
4A0-255 Exam Official Topics:
  • Topic 1: Define low Automatic Spontaneous Emission (ASE) OTs segregation/ Find alternative routes with better OSNR
  • Topic 2: Define NE hardware manually to optimize cost/ Describe CDC-F 2.0 hardware with Integrated ROADMs (iROADMs)
  • Topic 3: Design a CDC-F network with GMPLS enabled/ Describe the GMPLS (L0, L1 and MRN) control plane
  • Topic 4: Describe the concept of trail grooming/ Design a network accounting for medium to long-term growth
  • Topic 5: Describe how synchronization can be transported through a WDM network/ Implement solutions for synchronized applications
  • Topic 6: Describe the advantages of Forward Error Correction (FEC)/ Configure grooming optimizing the equipment slot allocation
  • Topic 7: How to determine the number of network elements and their location/ Design a network with no ASE noise OTs segregation
  • Topic 8: Identify solutions for latency optimization and measurements/ Analyze traffic in the given double-ring design
  • Topic 9: Describe SRG and ?failure scope? configuration/ Design networks with control plane enabled
  • Topic 10: Describe link power budget, OSNR, Q-factor and BER/ Assessing and improving the optical reach
  • Topic 11: Explain advanced customer requirements (resilience, latency, encryption, synchronization)/ Describe advanced EPT design options (including CDC, GMPLS, flexible grid, C+L, etc.)
  • Topic 12: Explain the concept of Probabilistic Constellation Shaping (PCS)/ Explain the advantages of DGE nodes in long-haul designs
  • Topic 13: Analyze nominal and restoration routes in EPT/ Design networks with control plane enabled

Free Nokia 4A0-255 Exam Actual Questions

The questions for 4A0-255 were last updated On Jun. 20, 2022

Question #1

Consider the exhibit that shows a link power budget diagram. Which of the following is represented at location 2?

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Correct Answer: A

Question #2

Which of the following statements about the Decision (HDEFC) decoding and soft decision FEC (SDFEC) decoding is FALSE?

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Correct Answer: A

Question #3

What is precision Time Protocol (PTP) designed for?

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Correct Answer: B

Question #4

Suppose that for a given number of buffer credits and for an given average FC frame size, the maximum FC link length is 50 km.

If the average FC frame size is doubled, which of the following is correct?

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Correct Answer: D

Question #5

Which of the following is recommended to reduce the latency of a 30km long link?

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Correct Answer: C


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