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  5. 4A0-255

Free 4A0-255 Exam Braindumps (page: 3)

Page 3 of 11
PDF with 40 Questions

Where is guardband mandatory for EMF?

  1. Between 10G and 40G channels
  2. Between 10G and 100G channels
  3. Between 10G and 200G channels
  4. Between 40G and 100G channels

Answer(s): C



Which of the following best describes Flexgrid?

  1. Flexgrid is based on flexible amplification stages
  2. Flexgrid uses flexible guardband that can take any spacing.
  3. Flexgrid is defined on a frequency grid spacing based on ,multiples of 12.5 GHz.
  4. Flexgrid allows channel bandwidth central frequencies and guardband to take any value in the spectrum range.

Answer(s): A



Which of the following best describes self-phase modulation?

  1. It is a type of modulation format exploiting the phase to carry information.
  2. It is a phase shift suffered by an optical signal caused by its power intensity.
  3. It is s type of impairment that can be compensated using DCMs
  4. It is a type of impairment cause by spectrally adjacent channels.

Answer(s): D



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

  1. Power range
  2. OSNR margin
  3. Minimum attenuation
  4. System aging margin

Answer(s): A



Page 3 of 11



Post your Comments and Discuss Nokia 4A0-255 exam with other Community members:

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Sanjna P commented on September 11, 2024
Q29 : the correct answer is C, D and E. Here is the article : https://help.salesforce.com/s/articleView?id=sf.c360_a_edit_segment.htm&type=5
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There are some answers to some questions which are not entirely correct.
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