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  • 4A0-255: Nokia Advanced Optical Network Design

Nokia 4A0-255 Exam Questions

Exam Name: Nokia Advanced Optical Network Design
Exam Code: 4A0-255
Related Certification(s): Nokia Optical Network Design Expert Certification
Certification Provider: Nokia
Actual Exam Duration: 90 Minutes
Number of 4A0-255 practice questions in our database: 40 (updated: Nov. 10, 2024)
Expected 4A0-255 Exam Topics, as suggested by Nokia :
  • 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
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Melvin

6 days ago
I aced the Nokia Advanced Optical Network Design exam, and Pass4Success played a big role in my success. One question from Module 4 that I found difficult was about advanced network architectures. It asked how to implement a mesh network topology for optimal redundancy. I wasn't sure of the best approach, but I passed the exam nonetheless.
upvoted 0 times
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Bulah

16 days ago
Grateful for Pass4Success - their materials made the Nokia certification a breeze!
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Sherita

21 days ago
Passing the Nokia Advanced Optical Network Design exam was a breeze with the help of Pass4Success. A question from Module 1 that puzzled me was about the key principles of advanced network design. It asked how to balance cost and performance in a large-scale deployment. I wasn't entirely certain of my answer, but I still succeeded.
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Marg

1 months ago
I passed the Nokia Advanced Optical Network Design exam, and the Pass4Success practice questions were a lifesaver. One challenging question from Module 5 asked about the benefits of enabling the control plane in a multi-layer network. I wasn't sure about all the advantages, but I managed to pass anyway.
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Juliann

1 months ago
Aced the Nokia exam! Pass4Success really helped me prepare efficiently.
upvoted 0 times
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Almeta

2 months ago
Successfully passing the Nokia Advanced Optical Network Design exam was a great achievement for me, thanks to Pass4Success. There was a tricky question in Module 2 about assessing and improving optical reach. It asked how to optimize the signal-to-noise ratio in a long-haul network. I wasn't confident in my response, but I still made it through.
upvoted 0 times
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Renay

2 months ago
Thank you Pass4Success for the relevant exam questions! Your materials helped me prepare efficiently and pass the Nokia Advanced Optical Network Design exam in a short time.
upvoted 0 times
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Bok

2 months ago
I recently passed the Nokia Advanced Optical Network Design exam, and I must say, the Pass4Success practice questions were incredibly helpful. One question that stumped me was about the different methods for bandwidth management in Module 3. It asked about the pros and cons of using fixed versus flexible grid technologies. I wasn't entirely sure of the answer, but I managed to pass the exam!
upvoted 0 times
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Marylou

3 months ago
Just passed the Nokia Advanced Optical Network Design exam! Thanks Pass4Success for the spot-on practice questions.
upvoted 0 times
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Chau

4 months ago
My exam experience was successful as I passed the Nokia Advanced Optical Network Design exam. The exam included topics like CDC-F 2.0 hardware with Integrated ROADMs. One question that stood out to me was about describing CDC-F 2.0 hardware with iROADMs. Can you explain this concept further?
upvoted 0 times
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Aliza

4 months ago
Passed my Nokia cert today! Pass4Success's materials were invaluable. Their questions matched the real exam perfectly. Highly recommend!
upvoted 0 times
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Sheron

5 months ago
I passed the Nokia Advanced Optical Network Design exam with the help of Pass4Success practice questions. The exam covered topics like low ASE OTs segregation and finding alternative routes with better OSNR. One question that I was unsure of was related to defining NE hardware manually to optimize cost. Can you provide more information on this topic?
upvoted 0 times
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Sage

5 months ago
Wow, that exam was tough! Grateful for Pass4Success's materials - they really helped me pass. Their questions were incredibly relevant.
upvoted 0 times
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Alfred

5 months ago
Just passed the Nokia Advanced Optical Network Design exam! Pass4Success's practice questions were spot-on. Thanks for helping me prepare so quickly!
upvoted 0 times
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Jolene

6 months ago
Aced the Nokia Advanced Optical Network Design exam! Pass4Success's questions were key to my success. Thanks for the efficient prep!
upvoted 0 times
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Rory

8 months ago
Nokia cert achieved! Pass4Success's exam prep was a lifesaver. Passed in record time thanks to their accurate practice questions.
upvoted 0 times
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Free Nokia 4A0-255 Exam Actual Questions

Note: Premium Questions for 4A0-255 were last updated On Nov. 10, 2024 (see below)

Question #1

Refer to the exhibit that shows a demand matrix, a network topology with candidate links (in thick blue lines and dashed lines), the defined network in thick blue lines and the demand routing (colored numbers in the figure). Every link is 80 km long. Which of the following requirements is supported by this network design with the displayed demand routing?

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Correct Answer: A

Question #2

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 #3

Consider a signal at 100G PDM-QSK. Which of the following statements is true?

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Correct Answer: A

Question #4

Consider the exhibit that shows a network design in EPT.

Seven segments are defined segment lengths are shown in the list below the network map.

3 services are defined each service carries a 10G signal, is protected by diverse path and is router by shorted distance.

Which of the following links is the heavily loaded?

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Correct Answer: D

Question #5

Consider the exhibit shows the standard 8-step network design process. Suppose that you have used this process to design a Green filed network, which has been commissioned and is in operation. The customer now requests an extension to the network to accommodate more steps and traffic. Which steps are not required when designing such an extension?

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Correct Answer: C

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