Free 4A0-250 – Nokia Fundamentals of Optical Network Design Practice Test Question

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• ○ Many channels on one fibre
• ○ One channel on many fibres
• ○ Electrical switching of wavelengths
• ○ Amplification without optical signals

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• ○ Number of network sites
• ○ Optical signal noise ratio
• ○ Colour of fibre cable
• ○ Size of planning office

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• ○ Complete signal power loss
• ○ Wavelength conversion at nodes
• ○ Pulse spreading over distance
• ○ Automatic channel protection switching

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• ○ Fixed wavelength single drop
• ○ Electrical packet forwarding only
• ○ Fibre splice enclosure housing
• ○ Reconfigurable wavelength add drop

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• ○ Any port to any direction
• ○ One port to one direction
• ○ Only eastward traffic routing
• ○ Only fixed degree connections

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• ○ Fibre cuts along spans
• ○ Wavelength blocking at ports
• ○ Amplifier gain saturation effects
• ○ Dispersion related pulse spreading

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• ○ Optical signal noise ratio
• ○ Chromatic dispersion in fibre
• ○ Customer billing cycle length
• ○ Number of design templates

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• ○ Electrical packet inspection support
• ○ Colourless wavelength assignment support
• ○ Customer billing integration support
• ○ FlexGrid channel width support

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• ○ Extra customer documentation written
• ○ Longer service order forms
• ○ Dispersion compensation techniques applied
• ○ Amplifier placement optimisation done

Answer is in the explanation below.

Answer is in the explanation below.

Answer is in the explanation below.