Most Recent Nokia 4A0-255 Exam Questions & Answers

Prepare for the Nokia Advanced Optical Network Design exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Nokia 4A0-255 exam and achieve success.

The questions for 4A0-255 were last updated on Dec 22, 2024.

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Question No. 1

Which of the following statements about power commissioning system is most accurate?

AA system must be either linear or a ring.
A system can stop if there is a through communication in a node.

BA system must be a ring only
A system can stop if there is a through connection in a node.

CA system must be a ring only
A system cannot stop if there is a through connection in a node.

DA system must be either linear or a ring
A system cannot stop if there is a through connection in a node

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Correct Answer: D

Question No. 2

Which of the following is NOT an advantage of super-channels?

AImproved spectral efficiency

BSimplified management of the carriers

CNarrower spacing between carries of the super-channel

DImpairment-free transmission

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Correct Answer: C

Question No. 3

What is guardband required for?

ATo reduce the impact of chromatic dispersion.

BTo properly use the available bandwidth of the fibers.

CTo enable each channel to support a higher modulation format.

DTo reduce non-linear impairments between coherent and non-coherent channels.

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Correct Answer: D

Question No. 4

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?

A1+1 protection

BMinimum cost design

CMinimum latency

DResilience against two link faults

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Correct Answer: A

Question No. 5

Which of the following about the Optical channel Transport Unit (OUT0 in ONT network is correct?

AOUT refer to the section between two multiplexers passing through one or more amplifiers.

BOUT refers to the section between two amplifiers.

COUT enables the multiplexing of OCH connections.

DOUT enables FEC processing.

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Correct Answer: A

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