4A0-255 Nokia Advanced Optical Network Design exact Exam Questions

Nokia Advanced Optical Network Design

Last Update 14 hours ago Total Questions : 40

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Question # 4

Which of the following statement about guaranteed restriction (GR) in generalized Multiprotocol label Switching (GMPLS) is correct?

GR use reestablished backup LSPs with resources reserved and configured.

GR can achieve 100% survivability for a single-failure scenario only.

GR does not required the signaling of the fault to trigger the restoration.

GR calculates a new backup LSP every time a failure occurs.

Question # 5

Consider the exhibit that shows the OTN frame structure . Which of the following sets of label is correct?

OUT: B: ODU: C: OPU: D: OPU

OUT: B: ODU: C: OPU: D: OCH

OPU: B: OTU: C: ODU: D: OPU

ODU: B: OYU: C: OPU: D: OPU

Question # 6

Which of the following best describes Four Wave Mixing (FWM)?

FWM is a linear impairment that produces crosstalk four adjacent wavelengths are used.

FWM is a non-linear impairment that produces crosstalk at the sum and difference of two wavelengths.

FWM is a non-linear impairment resulting from varying velocities at different frequencies.

FWM is a linear impairment resulting from pulses broadening over ultra-long distances

Question # 7

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?